Current Dev State

static/js/ketcher2/node_modules/autoprefixer/lib/at-rule.js

@@ -0,0 +1,68 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Prefixer = require('./prefixer');
+
+var AtRule = function (_Prefixer) {
+    _inherits(AtRule, _Prefixer);
+
+    function AtRule() {
+        _classCallCheck(this, AtRule);
+
+        return _possibleConstructorReturn(this, _Prefixer.apply(this, arguments));
+    }
+
+    /**
+     * Clone and add prefixes for at-rule
+     */
+    AtRule.prototype.add = function add(rule, prefix) {
+        var prefixed = prefix + rule.name;
+
+        var already = rule.parent.some(function (i) {
+            return i.name === prefixed && i.params === rule.params;
+        });
+        if (already) {
+            return undefined;
+        }
+
+        var cloned = this.clone(rule, { name: prefixed });
+        return rule.parent.insertBefore(rule, cloned);
+    };
+
+    /**
+     * Clone node with prefixes
+     */
+
+
+    AtRule.prototype.process = function process(node) {
+        var parent = this.parentPrefix(node);
+
+        for (var _iterator = this.prefixes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var prefix = _ref;
+
+            if (!parent || parent === prefix) {
+                this.add(node, prefix);
+            }
+        }
+    };
+
+    return AtRule;
+}(Prefixer);
+
+module.exports = AtRule;

static/js/ketcher2/node_modules/autoprefixer/lib/autoprefixer.js

@@ -0,0 +1,120 @@
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var browserslist = require('browserslist');
+var postcss = require('postcss');
+
+var Browsers = require('./browsers');
+var Prefixes = require('./prefixes');
+
+function isPlainObject(obj) {
+    return Object.prototype.toString.apply(obj) === '[object Object]';
+}
+
+var cache = {};
+
+function timeCapsule(result, prefixes) {
+    if (prefixes.browsers.selected.length === 0) {
+        return;
+    }
+    if (prefixes.add.selectors.length > 0) {
+        return;
+    }
+    if (Object.keys(prefixes.add).length > 2) {
+        return;
+    }
+
+    result.warn('Greetings, time traveller. ' + 'We are in the golden age of prefix-less CSS, ' + 'where Autoprefixer is no longer needed for your stylesheet.');
+}
+
+module.exports = postcss.plugin('autoprefixer', function () {
+    for (var _len = arguments.length, reqs = Array(_len), _key = 0; _key < _len; _key++) {
+        reqs[_key] = arguments[_key];
+    }
+
+    var options = void 0;
+    if (reqs.length === 1 && isPlainObject(reqs[0])) {
+        options = reqs[0];
+        reqs = undefined;
+    } else if (reqs.length === 0 || reqs.length === 1 && !reqs[0]) {
+        reqs = undefined;
+    } else if (reqs.length <= 2 && (reqs[0] instanceof Array || !reqs[0])) {
+        options = reqs[1];
+        reqs = reqs[0];
+    } else if (_typeof(reqs[reqs.length - 1]) === 'object') {
+        options = reqs.pop();
+    }
+
+    if (!options) {
+        options = {};
+    }
+
+    if (options.browser) {
+        throw new Error('Change `browser` option to `browsers` in Autoprefixer');
+    } else if (options.browserslist) {
+        throw new Error('Change `browserslist` option to `browsers` in Autoprefixer');
+    }
+
+    if (options.browsers) {
+        reqs = options.browsers;
+    }
+
+    if (typeof options.grid === 'undefined') {
+        options.grid = false;
+    }
+
+    var loadPrefixes = function loadPrefixes(opts) {
+        var data = module.exports.data;
+        var browsers = new Browsers(data.browsers, reqs, opts, options.stats);
+        var key = browsers.selected.join(', ') + JSON.stringify(options);
+
+        if (!cache[key]) {
+            cache[key] = new Prefixes(data.prefixes, browsers, options);
+        }
+
+        return cache[key];
+    };
+
+    var plugin = function plugin(css, result) {
+        var prefixes = loadPrefixes({
+            from: css.source && css.source.input.file,
+            env: options.env
+        });
+        timeCapsule(result, prefixes);
+        if (options.remove !== false) {
+            prefixes.processor.remove(css, result);
+        }
+        if (options.add !== false) {
+            prefixes.processor.add(css, result);
+        }
+    };
+
+    plugin.options = options;
+
+    plugin.info = function (opts) {
+        return require('./info')(loadPrefixes(opts));
+    };
+
+    return plugin;
+});
+
+/**
+ * Autoprefixer data
+ */
+module.exports.data = {
+    browsers: require('caniuse-lite').agents,
+    prefixes: require('../data/prefixes')
+};
+
+/**
+ * Autoprefixer default browsers
+ */
+module.exports.defaults = browserslist.defaults;
+
+/**
+ * Inspect with default Autoprefixer
+ */
+module.exports.info = function () {
+    return module.exports().info();
+};

static/js/ketcher2/node_modules/autoprefixer/lib/brackets.js

@@ -0,0 +1,71 @@
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var last = function last(array) {
+    return array[array.length - 1];
+};
+
+var brackets = {
+
+    /**
+     * Parse string to nodes tree
+     */
+    parse: function parse(str) {
+        var current = [''];
+        var stack = [current];
+
+        for (var i = 0; i < str.length; i++) {
+            var sym = str[i];
+            if (sym === '(') {
+                current = [''];
+                last(stack).push(current);
+                stack.push(current);
+                continue;
+            }
+
+            if (sym === ')') {
+                stack.pop();
+                current = last(stack);
+                current.push('');
+                continue;
+            }
+
+            current[current.length - 1] += sym;
+        }
+
+        return stack[0];
+    },
+
+
+    /**
+     * Generate output string by nodes tree
+     */
+    stringify: function stringify(ast) {
+        var result = '';
+        for (var _iterator = ast, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var i = _ref;
+
+            if ((typeof i === 'undefined' ? 'undefined' : _typeof(i)) === 'object') {
+                result += '(' + brackets.stringify(i) + ')';
+                continue;
+            }
+
+            result += i;
+        }
+        return result;
+    }
+};
+
+module.exports = brackets;

static/js/ketcher2/node_modules/autoprefixer/lib/browsers.js

@@ -0,0 +1,123 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var browserslist = require('browserslist');
+
+var utils = require('./utils');
+
+var Browsers = function () {
+
+    /**
+     * Return all prefixes for default browser data
+     */
+    Browsers.prefixes = function prefixes() {
+        if (this.prefixesCache) {
+            return this.prefixesCache;
+        }
+
+        var data = require('caniuse-lite').agents;
+
+        this.prefixesCache = [];
+        for (var name in data) {
+            this.prefixesCache.push('-' + data[name].prefix + '-');
+        }
+
+        this.prefixesCache = utils.uniq(this.prefixesCache).sort(function (a, b) {
+            return b.length - a.length;
+        });
+
+        return this.prefixesCache;
+    };
+
+    /**
+     * Check is value contain any possibe prefix
+     */
+
+
+    Browsers.withPrefix = function withPrefix(value) {
+        if (!this.prefixesRegexp) {
+            this.prefixesRegexp = new RegExp(this.prefixes().join('|'));
+        }
+
+        return this.prefixesRegexp.test(value);
+    };
+
+    function Browsers(data, requirements, options, stats) {
+        _classCallCheck(this, Browsers);
+
+        this.data = data;
+        this.options = options || {};
+        this.stats = stats;
+        this.selected = this.parse(requirements);
+    }
+
+    /**
+     * Return browsers selected by requirements
+     */
+
+
+    Browsers.prototype.parse = function parse(requirements) {
+        return browserslist(requirements, {
+            stats: this.stats,
+            path: this.options.from,
+            env: this.options.env
+        });
+    };
+
+    /**
+     * Select major browsers versions by criteria
+     */
+
+
+    Browsers.prototype.browsers = function browsers(criteria) {
+        var _this = this;
+
+        var selected = [];
+
+        var _loop = function _loop(browser) {
+            var data = _this.data[browser];
+            var versions = criteria(data).map(function (version) {
+                return browser + ' ' + version;
+            });
+            selected = selected.concat(versions);
+        };
+
+        for (var browser in this.data) {
+            _loop(browser);
+        }
+        return selected;
+    };
+
+    /**
+     * Return prefix for selected browser
+     */
+
+
+    Browsers.prototype.prefix = function prefix(browser) {
+        var _browser$split = browser.split(' '),
+            name = _browser$split[0],
+            version = _browser$split[1];
+
+        var data = this.data[name];
+
+        var prefix = data.prefix_exceptions && data.prefix_exceptions[version];
+        if (!prefix) {
+            prefix = data.prefix;
+        }
+        return '-' + prefix + '-';
+    };
+
+    /**
+     * Is browser is selected by requirements
+     */
+
+
+    Browsers.prototype.isSelected = function isSelected(browser) {
+        return this.selected.indexOf(browser) !== -1;
+    };
+
+    return Browsers;
+}();
+
+module.exports = Browsers;

static/js/ketcher2/node_modules/autoprefixer/lib/declaration.js

@@ -0,0 +1,259 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Prefixer = require('./prefixer');
+var Browsers = require('./browsers');
+var utils = require('./utils');
+
+var Declaration = function (_Prefixer) {
+    _inherits(Declaration, _Prefixer);
+
+    function Declaration() {
+        _classCallCheck(this, Declaration);
+
+        return _possibleConstructorReturn(this, _Prefixer.apply(this, arguments));
+    }
+
+    /**
+     * Always true, because we already get prefixer by property name
+     */
+    Declaration.prototype.check = function check() /* decl */{
+        return true;
+    };
+
+    /**
+     * Return prefixed version of property
+     */
+
+
+    Declaration.prototype.prefixed = function prefixed(prop, prefix) {
+        return prefix + prop;
+    };
+
+    /**
+     * Return unprefixed version of property
+     */
+
+
+    Declaration.prototype.normalize = function normalize(prop) {
+        return prop;
+    };
+
+    /**
+     * Check `value`, that it contain other prefixes, rather than `prefix`
+     */
+
+
+    Declaration.prototype.otherPrefixes = function otherPrefixes(value, prefix) {
+        for (var _iterator = Browsers.prefixes(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var other = _ref;
+
+            if (other === prefix) {
+                continue;
+            }
+            if (value.indexOf(other) !== -1) {
+                return true;
+            }
+        }
+        return false;
+    };
+
+    /**
+     * Set prefix to declaration
+     */
+
+
+    Declaration.prototype.set = function set(decl, prefix) {
+        decl.prop = this.prefixed(decl.prop, prefix);
+        return decl;
+    };
+
+    /**
+     * Should we use visual cascade for prefixes
+     */
+
+
+    Declaration.prototype.needCascade = function needCascade(decl) {
+        if (!decl._autoprefixerCascade) {
+            decl._autoprefixerCascade = this.all.options.cascade !== false && decl.raw('before').indexOf('\n') !== -1;
+        }
+        return decl._autoprefixerCascade;
+    };
+
+    /**
+     * Return maximum length of possible prefixed property
+     */
+
+
+    Declaration.prototype.maxPrefixed = function maxPrefixed(prefixes, decl) {
+        if (decl._autoprefixerMax) {
+            return decl._autoprefixerMax;
+        }
+
+        var max = 0;
+        for (var _iterator2 = prefixes, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+            var _ref2;
+
+            if (_isArray2) {
+                if (_i2 >= _iterator2.length) break;
+                _ref2 = _iterator2[_i2++];
+            } else {
+                _i2 = _iterator2.next();
+                if (_i2.done) break;
+                _ref2 = _i2.value;
+            }
+
+            var prefix = _ref2;
+
+            prefix = utils.removeNote(prefix);
+            if (prefix.length > max) {
+                max = prefix.length;
+            }
+        }
+        decl._autoprefixerMax = max;
+
+        return decl._autoprefixerMax;
+    };
+
+    /**
+     * Calculate indentation to create visual cascade
+     */
+
+
+    Declaration.prototype.calcBefore = function calcBefore(prefixes, decl) {
+        var prefix = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
+
+        var max = this.maxPrefixed(prefixes, decl);
+        var diff = max - utils.removeNote(prefix).length;
+
+        var before = decl.raw('before');
+        if (diff > 0) {
+            before += Array(diff).fill(' ').join('');
+        }
+
+        return before;
+    };
+
+    /**
+     * Remove visual cascade
+     */
+
+
+    Declaration.prototype.restoreBefore = function restoreBefore(decl) {
+        var lines = decl.raw('before').split('\n');
+        var min = lines[lines.length - 1];
+
+        this.all.group(decl).up(function (prefixed) {
+            var array = prefixed.raw('before').split('\n');
+            var last = array[array.length - 1];
+            if (last.length < min.length) {
+                min = last;
+            }
+        });
+
+        lines[lines.length - 1] = min;
+        decl.raws.before = lines.join('\n');
+    };
+
+    /**
+     * Clone and insert new declaration
+     */
+
+
+    Declaration.prototype.insert = function insert(decl, prefix, prefixes) {
+        var cloned = this.set(this.clone(decl), prefix);
+        if (!cloned) return undefined;
+
+        var already = decl.parent.some(function (i) {
+            return i.prop === cloned.prop && i.value === cloned.value;
+        });
+        if (already) {
+            return undefined;
+        }
+
+        if (this.needCascade(decl)) {
+            cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
+        }
+        return decl.parent.insertBefore(decl, cloned);
+    };
+
+    /**
+     * Did this declaration has this prefix above
+     */
+
+
+    Declaration.prototype.isAlready = function isAlready(decl, prefixed) {
+        var already = this.all.group(decl).up(function (i) {
+            return i.prop === prefixed;
+        });
+        if (!already) {
+            already = this.all.group(decl).down(function (i) {
+                return i.prop === prefixed;
+            });
+        }
+        return already;
+    };
+
+    /**
+     * Clone and add prefixes for declaration
+     */
+
+
+    Declaration.prototype.add = function add(decl, prefix, prefixes) {
+        var prefixed = this.prefixed(decl.prop, prefix);
+        if (this.isAlready(decl, prefixed) || this.otherPrefixes(decl.value, prefix)) {
+            return undefined;
+        }
+        return this.insert(decl, prefix, prefixes);
+    };
+
+    /**
+     * Add spaces for visual cascade
+     */
+
+
+    Declaration.prototype.process = function process(decl) {
+        if (!this.needCascade(decl)) {
+            _Prefixer.prototype.process.call(this, decl);
+            return;
+        }
+
+        var prefixes = _Prefixer.prototype.process.call(this, decl);
+
+        if (!prefixes || !prefixes.length) {
+            return;
+        }
+
+        this.restoreBefore(decl);
+        decl.raws.before = this.calcBefore(prefixes, decl);
+    };
+
+    /**
+     * Return list of prefixed properties to clean old prefixes
+     */
+
+
+    Declaration.prototype.old = function old(prop, prefix) {
+        return [this.prefixed(prop, prefix)];
+    };
+
+    return Declaration;
+}(Prefixer);
+
+module.exports = Declaration;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/align-content.js

@@ -0,0 +1,84 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var AlignContent = function (_Declaration) {
+    _inherits(AlignContent, _Declaration);
+
+    function AlignContent() {
+        _classCallCheck(this, AlignContent);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Change property name for 2012 spec
+     */
+    AlignContent.prototype.prefixed = function prefixed(prop, prefix) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec === 2012) {
+            return prefix + 'flex-line-pack';
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Return property name by final spec
+     */
+
+
+    AlignContent.prototype.normalize = function normalize() {
+        return 'align-content';
+    };
+
+    /**
+     * Change value for 2012 spec and ignore prefix for 2009
+     */
+
+
+    AlignContent.prototype.set = function set(decl, prefix) {
+        var spec = flexSpec(prefix)[0];
+        if (spec === 2012) {
+            decl.value = AlignContent.oldValues[decl.value] || decl.value;
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        } else if (spec === 'final') {
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        }
+        return undefined;
+    };
+
+    return AlignContent;
+}(Declaration);
+
+Object.defineProperty(AlignContent, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['align-content', 'flex-line-pack']
+});
+Object.defineProperty(AlignContent, 'oldValues', {
+    enumerable: true,
+    writable: true,
+    value: {
+        'flex-end': 'end',
+        'flex-start': 'start',
+        'space-between': 'justify',
+        'space-around': 'distribute'
+    }
+});
+
+
+module.exports = AlignContent;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/align-items.js

@@ -0,0 +1,81 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var AlignItems = function (_Declaration) {
+    _inherits(AlignItems, _Declaration);
+
+    function AlignItems() {
+        _classCallCheck(this, AlignItems);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Change property name for 2009 and 2012 specs
+     */
+    AlignItems.prototype.prefixed = function prefixed(prop, prefix) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec === 2009) {
+            return prefix + 'box-align';
+        } else if (spec === 2012) {
+            return prefix + 'flex-align';
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Return property name by final spec
+     */
+
+
+    AlignItems.prototype.normalize = function normalize() {
+        return 'align-items';
+    };
+
+    /**
+     * Change value for 2009 and 2012 specs
+     */
+
+
+    AlignItems.prototype.set = function set(decl, prefix) {
+        var spec = flexSpec(prefix)[0];
+        if (spec === 2009 || spec === 2012) {
+            decl.value = AlignItems.oldValues[decl.value] || decl.value;
+        }
+        return _Declaration.prototype.set.call(this, decl, prefix);
+    };
+
+    return AlignItems;
+}(Declaration);
+
+Object.defineProperty(AlignItems, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['align-items', 'flex-align', 'box-align']
+});
+Object.defineProperty(AlignItems, 'oldValues', {
+    enumerable: true,
+    writable: true,
+    value: {
+        'flex-end': 'end',
+        'flex-start': 'start'
+    }
+});
+
+
+module.exports = AlignItems;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/align-self.js

@@ -0,0 +1,82 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var AlignSelf = function (_Declaration) {
+    _inherits(AlignSelf, _Declaration);
+
+    function AlignSelf() {
+        _classCallCheck(this, AlignSelf);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Change property name for 2012 specs
+     */
+    AlignSelf.prototype.prefixed = function prefixed(prop, prefix) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec === 2012) {
+            return prefix + 'flex-item-align';
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Return property name by final spec
+     */
+
+
+    AlignSelf.prototype.normalize = function normalize() {
+        return 'align-self';
+    };
+
+    /**
+     * Change value for 2012 spec and ignore prefix for 2009
+     */
+
+
+    AlignSelf.prototype.set = function set(decl, prefix) {
+        var spec = flexSpec(prefix)[0];
+        if (spec === 2012) {
+            decl.value = AlignSelf.oldValues[decl.value] || decl.value;
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        } else if (spec === 'final') {
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        }
+        return undefined;
+    };
+
+    return AlignSelf;
+}(Declaration);
+
+Object.defineProperty(AlignSelf, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['align-self', 'flex-item-align']
+});
+Object.defineProperty(AlignSelf, 'oldValues', {
+    enumerable: true,
+    writable: true,
+    value: {
+        'flex-end': 'end',
+        'flex-start': 'start'
+    }
+});
+
+
+module.exports = AlignSelf;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/appearance.js

@@ -0,0 +1,42 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+var utils = require('../utils');
+
+var Appearance = function (_Declaration) {
+    _inherits(Appearance, _Declaration);
+
+    function Appearance(name, prefixes, all) {
+        _classCallCheck(this, Appearance);
+
+        var _this = _possibleConstructorReturn(this, _Declaration.call(this, name, prefixes, all));
+
+        if (_this.prefixes) {
+            _this.prefixes = utils.uniq(_this.prefixes.map(function (i) {
+                if (i === '-ms-') {
+                    return '-webkit-';
+                } else {
+                    return i;
+                }
+            }));
+        }
+        return _this;
+    }
+
+    return Appearance;
+}(Declaration);
+
+Object.defineProperty(Appearance, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['appearance']
+});
+
+
+module.exports = Appearance;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/background-size.js

@@ -0,0 +1,41 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var BackgroundSize = function (_Declaration) {
+    _inherits(BackgroundSize, _Declaration);
+
+    function BackgroundSize() {
+        _classCallCheck(this, BackgroundSize);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Duplication parameter for -webkit- browsers
+     */
+    BackgroundSize.prototype.set = function set(decl, prefix) {
+        var value = decl.value.toLowerCase();
+        if (prefix === '-webkit-' && value.indexOf(' ') === -1 && value !== 'contain' && value !== 'cover') {
+            decl.value = decl.value + ' ' + decl.value;
+        }
+        return _Declaration.prototype.set.call(this, decl, prefix);
+    };
+
+    return BackgroundSize;
+}(Declaration);
+
+Object.defineProperty(BackgroundSize, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['background-size']
+});
+
+
+module.exports = BackgroundSize;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/block-logical.js

@@ -0,0 +1,50 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var BlockLogical = function (_Declaration) {
+    _inherits(BlockLogical, _Declaration);
+
+    function BlockLogical() {
+        _classCallCheck(this, BlockLogical);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Use old syntax for -moz- and -webkit-
+     */
+    BlockLogical.prototype.prefixed = function prefixed(prop, prefix) {
+        return prefix + (prop.indexOf('-start') !== -1 ? prop.replace('-block-start', '-before') : prop.replace('-block-end', '-after'));
+    };
+
+    /**
+     * Return property name by spec
+     */
+
+
+    BlockLogical.prototype.normalize = function normalize(prop) {
+        if (prop.indexOf('-before') !== -1) {
+            return prop.replace('-before', '-block-start');
+        } else {
+            return prop.replace('-after', '-block-end');
+        }
+    };
+
+    return BlockLogical;
+}(Declaration);
+
+Object.defineProperty(BlockLogical, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['border-block-start', 'border-block-end', 'margin-block-start', 'margin-block-end', 'padding-block-start', 'padding-block-end', 'border-before', 'border-after', 'margin-before', 'margin-after', 'padding-before', 'padding-after']
+});
+
+
+module.exports = BlockLogical;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/border-image.js

@@ -0,0 +1,38 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var BorderImage = function (_Declaration) {
+    _inherits(BorderImage, _Declaration);
+
+    function BorderImage() {
+        _classCallCheck(this, BorderImage);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Remove fill parameter for prefixed declarations
+     */
+    BorderImage.prototype.set = function set(decl, prefix) {
+        decl.value = decl.value.replace(/\s+fill(\s)/, '$1');
+        return _Declaration.prototype.set.call(this, decl, prefix);
+    };
+
+    return BorderImage;
+}(Declaration);
+
+Object.defineProperty(BorderImage, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['border-image']
+});
+
+
+module.exports = BorderImage;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/border-radius.js

@@ -0,0 +1,77 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var BorderRadius = function (_Declaration) {
+    _inherits(BorderRadius, _Declaration);
+
+    function BorderRadius() {
+        _classCallCheck(this, BorderRadius);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Change syntax, when add Mozilla prefix
+     */
+    BorderRadius.prototype.prefixed = function prefixed(prop, prefix) {
+        if (prefix === '-moz-') {
+            return prefix + (BorderRadius.toMozilla[prop] || prop);
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Return unprefixed version of property
+     */
+
+
+    BorderRadius.prototype.normalize = function normalize(prop) {
+        return BorderRadius.toNormal[prop] || prop;
+    };
+
+    return BorderRadius;
+}(Declaration);
+
+Object.defineProperty(BorderRadius, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['border-radius']
+});
+Object.defineProperty(BorderRadius, 'toMozilla', {
+    enumerable: true,
+    writable: true,
+    value: {}
+});
+Object.defineProperty(BorderRadius, 'toNormal', {
+    enumerable: true,
+    writable: true,
+    value: {}
+});
+var _arr = ['top', 'bottom'];
+
+
+for (var _i = 0; _i < _arr.length; _i++) {
+    var ver = _arr[_i];var _arr2 = ['left', 'right'];
+
+    for (var _i2 = 0; _i2 < _arr2.length; _i2++) {
+        var hor = _arr2[_i2];
+        var normal = 'border-' + ver + '-' + hor + '-radius';
+        var mozilla = 'border-radius-' + ver + hor;
+
+        BorderRadius.names.push(normal);
+        BorderRadius.names.push(mozilla);
+
+        BorderRadius.toMozilla[normal] = mozilla;
+        BorderRadius.toNormal[mozilla] = normal;
+    }
+}
+
+module.exports = BorderRadius;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/break-props.js

@@ -0,0 +1,89 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var BreakProps = function (_Declaration) {
+    _inherits(BreakProps, _Declaration);
+
+    function BreakProps() {
+        _classCallCheck(this, BreakProps);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Change name for -webkit- and -moz- prefix
+     */
+    BreakProps.prototype.prefixed = function prefixed(prop, prefix) {
+        if (prefix === '-webkit-') {
+            return '-webkit-column-' + prop;
+        } else if (prefix === '-moz-') {
+            return 'page-' + prop;
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Return property name by final spec
+     */
+
+
+    BreakProps.prototype.normalize = function normalize(prop) {
+        if (prop.indexOf('inside') !== -1) {
+            return 'break-inside';
+        } else if (prop.indexOf('before') !== -1) {
+            return 'break-before';
+        } else if (prop.indexOf('after') !== -1) {
+            return 'break-after';
+        }
+        return undefined;
+    };
+
+    /**
+     * Change prefixed value for avoid-column and avoid-page
+     */
+
+
+    BreakProps.prototype.set = function set(decl, prefix) {
+        var v = decl.value;
+        if (decl.prop === 'break-inside' && v === 'avoid-column' || v === 'avoid-page') {
+            decl.value = 'avoid';
+        }
+        return _Declaration.prototype.set.call(this, decl, prefix);
+    };
+
+    /**
+     * Don’t prefix some values
+     */
+
+
+    BreakProps.prototype.insert = function insert(decl, prefix, prefixes) {
+        if (decl.prop !== 'break-inside') {
+            return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+        } else if (decl.value === 'avoid-region') {
+            return undefined;
+        } else if (decl.value === 'avoid-page' && prefix === '-webkit-') {
+            return undefined;
+        } else {
+            return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+        }
+    };
+
+    return BreakProps;
+}(Declaration);
+
+Object.defineProperty(BreakProps, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['break-inside', 'page-break-inside', 'column-break-inside', 'break-before', 'page-break-before', 'column-break-before', 'break-after', 'page-break-after', 'column-break-after']
+});
+
+
+module.exports = BreakProps;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/cross-fade.js

@@ -0,0 +1,56 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Value = require('../value');
+var list = require('postcss/lib/list');
+
+var CrossFade = function (_Value) {
+    _inherits(CrossFade, _Value);
+
+    function CrossFade() {
+        _classCallCheck(this, CrossFade);
+
+        return _possibleConstructorReturn(this, _Value.apply(this, arguments));
+    }
+
+    CrossFade.prototype.replace = function replace(string, prefix) {
+        var _this2 = this;
+
+        return list.space(string).map(function (value) {
+            if (value.slice(0, +_this2.name.length + 1) !== _this2.name + '(') {
+                return value;
+            }
+
+            var close = value.lastIndexOf(')');
+            var after = value.slice(close + 1);
+            var args = value.slice(_this2.name.length + 1, close);
+
+            if (prefix === '-webkit-') {
+                var match = args.match(/\d*.?\d+%?/);
+                if (match) {
+                    args = args.slice(match[0].length).trim();
+                    args += ', ' + match[0];
+                } else {
+                    args += ', 0.5';
+                }
+            }
+            return prefix + _this2.name + '(' + args + ')' + after;
+        }).join(' ');
+    };
+
+    return CrossFade;
+}(Value);
+
+Object.defineProperty(CrossFade, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['cross-fade']
+});
+
+
+module.exports = CrossFade;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/display-flex.js

@@ -0,0 +1,102 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var OldValue = require('../old-value');
+var Value = require('../value');
+
+var DisplayFlex = function (_Value) {
+    _inherits(DisplayFlex, _Value);
+
+    function DisplayFlex(name, prefixes) {
+        _classCallCheck(this, DisplayFlex);
+
+        var _this = _possibleConstructorReturn(this, _Value.call(this, name, prefixes));
+
+        if (name === 'display-flex') {
+            _this.name = 'flex';
+        }
+        return _this;
+    }
+
+    /**
+     * Faster check for flex value
+     */
+
+
+    DisplayFlex.prototype.check = function check(decl) {
+        return decl.prop === 'display' && decl.value === this.name;
+    };
+
+    /**
+     * Return value by spec
+     */
+
+
+    DisplayFlex.prototype.prefixed = function prefixed(prefix) {
+        var spec = void 0,
+            value = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+
+        if (spec === 2009) {
+            if (this.name === 'flex') {
+                value = 'box';
+            } else {
+                value = 'inline-box';
+            }
+        } else if (spec === 2012) {
+            if (this.name === 'flex') {
+                value = 'flexbox';
+            } else {
+                value = 'inline-flexbox';
+            }
+        } else if (spec === 'final') {
+            value = this.name;
+        }
+
+        return prefix + value;
+    };
+
+    /**
+     * Add prefix to value depend on flebox spec version
+     */
+
+
+    DisplayFlex.prototype.replace = function replace(string, prefix) {
+        return this.prefixed(prefix);
+    };
+
+    /**
+     * Change value for old specs
+     */
+
+
+    DisplayFlex.prototype.old = function old(prefix) {
+        var prefixed = this.prefixed(prefix);
+        if (prefixed) {
+            return new OldValue(this.name, prefixed);
+        }
+        return undefined;
+    };
+
+    return DisplayFlex;
+}(Value);
+
+Object.defineProperty(DisplayFlex, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['display-flex', 'inline-flex']
+});
+
+
+module.exports = DisplayFlex;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/display-grid.js

@@ -0,0 +1,44 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Value = require('../value');
+
+var DisplayGrid = function (_Value) {
+    _inherits(DisplayGrid, _Value);
+
+    function DisplayGrid(name, prefixes) {
+        _classCallCheck(this, DisplayGrid);
+
+        var _this = _possibleConstructorReturn(this, _Value.call(this, name, prefixes));
+
+        if (name === 'display-grid') {
+            _this.name = 'grid';
+        }
+        return _this;
+    }
+
+    /**
+     * Faster check for flex value
+     */
+
+
+    DisplayGrid.prototype.check = function check(decl) {
+        return decl.prop === 'display' && decl.value === this.name;
+    };
+
+    return DisplayGrid;
+}(Value);
+
+Object.defineProperty(DisplayGrid, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['display-grid', 'inline-grid']
+});
+
+
+module.exports = DisplayGrid;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/filter-value.js

@@ -0,0 +1,93 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var OldValue = require('../old-value');
+var Value = require('../value');
+var utils = require('../utils');
+
+var OldFilterValue = function (_OldValue) {
+    _inherits(OldFilterValue, _OldValue);
+
+    function OldFilterValue() {
+        _classCallCheck(this, OldFilterValue);
+
+        return _possibleConstructorReturn(this, _OldValue.apply(this, arguments));
+    }
+
+    /**
+     * Clean -webkit-filter from properties list
+     */
+    OldFilterValue.prototype.clean = function clean(decl) {
+        var _this2 = this;
+
+        decl.value = utils.editList(decl.value, function (props) {
+            if (props.every(function (i) {
+                return i.indexOf(_this2.unprefixed) !== 0;
+            })) {
+                return props;
+            }
+            return props.filter(function (i) {
+                return i.indexOf(_this2.prefixed) === -1;
+            });
+        });
+    };
+
+    return OldFilterValue;
+}(OldValue);
+
+var FilterValue = function (_Value) {
+    _inherits(FilterValue, _Value);
+
+    function FilterValue(name, prefixes) {
+        _classCallCheck(this, FilterValue);
+
+        var _this3 = _possibleConstructorReturn(this, _Value.call(this, name, prefixes));
+
+        if (name === 'filter-function') {
+            _this3.name = 'filter';
+        }
+        return _this3;
+    }
+
+    /**
+     * Use prefixed and unprefixed filter for WebKit
+     */
+
+
+    FilterValue.prototype.replace = function replace(value, prefix) {
+        if (prefix === '-webkit-' && value.indexOf('filter(') === -1) {
+            if (value.indexOf('-webkit-filter') === -1) {
+                return _Value.prototype.replace.call(this, value, prefix) + ', ' + value;
+            } else {
+                return value;
+            }
+        } else {
+            return _Value.prototype.replace.call(this, value, prefix);
+        }
+    };
+
+    /**
+     * Clean -webkit-filter
+     */
+
+
+    FilterValue.prototype.old = function old(prefix) {
+        return new OldFilterValue(this.name, prefix + this.name);
+    };
+
+    return FilterValue;
+}(Value);
+
+Object.defineProperty(FilterValue, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['filter', 'filter-function']
+});
+
+
+module.exports = FilterValue;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/filter.js

@@ -0,0 +1,38 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var Filter = function (_Declaration) {
+    _inherits(Filter, _Declaration);
+
+    function Filter() {
+        _classCallCheck(this, Filter);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Check is it Internet Explorer filter
+     */
+    Filter.prototype.check = function check(decl) {
+        var v = decl.value;
+        return v.toLowerCase().indexOf('alpha(') === -1 && v.indexOf('DXImageTransform.Microsoft') === -1 && v.indexOf('data:image/svg+xml') === -1;
+    };
+
+    return Filter;
+}(Declaration);
+
+Object.defineProperty(Filter, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['filter']
+});
+
+
+module.exports = Filter;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/flex-basis.js

@@ -0,0 +1,77 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var FlexBasis = function (_Declaration) {
+    _inherits(FlexBasis, _Declaration);
+
+    function FlexBasis() {
+        _classCallCheck(this, FlexBasis);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Return property name by final spec
+     */
+    FlexBasis.prototype.normalize = function normalize() {
+        return 'flex-basis';
+    };
+
+    /**
+     * Return flex property for 2012 spec
+     */
+
+
+    FlexBasis.prototype.prefixed = function prefixed(prop, prefix) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec === 2012) {
+            return prefix + 'flex-preferred-size';
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Ignore 2009 spec and use flex property for 2012
+     */
+
+
+    FlexBasis.prototype.set = function set(decl, prefix) {
+        var spec = void 0;
+
+        var _flexSpec2 = flexSpec(prefix);
+
+        spec = _flexSpec2[0];
+        prefix = _flexSpec2[1];
+
+        if (spec === 2012 || spec === 'final') {
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        }
+        return undefined;
+    };
+
+    return FlexBasis;
+}(Declaration);
+
+Object.defineProperty(FlexBasis, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['flex-basis', 'flex-preferred-size']
+});
+
+
+module.exports = FlexBasis;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/flex-direction.js

@@ -0,0 +1,110 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var FlexDirection = function (_Declaration) {
+    _inherits(FlexDirection, _Declaration);
+
+    function FlexDirection() {
+        _classCallCheck(this, FlexDirection);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Return property name by final spec
+     */
+    FlexDirection.prototype.normalize = function normalize() {
+        return 'flex-direction';
+    };
+
+    /**
+     * Use two properties for 2009 spec
+     */
+
+
+    FlexDirection.prototype.insert = function insert(decl, prefix, prefixes) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec !== 2009) {
+            return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+        } else {
+            var already = decl.parent.some(function (i) {
+                return i.prop === prefix + 'box-orient' || i.prop === prefix + 'box-direction';
+            });
+            if (already) {
+                return undefined;
+            }
+
+            var v = decl.value;
+            var orient = void 0,
+                dir = void 0;
+            if (v === 'inherit' || v === 'initial' || v === 'unset') {
+                orient = v;
+                dir = v;
+            } else {
+                orient = v.indexOf('row') !== -1 ? 'horizontal' : 'vertical';
+                dir = v.indexOf('reverse') !== -1 ? 'reverse' : 'normal';
+            }
+
+            var cloned = this.clone(decl);
+            cloned.prop = prefix + 'box-orient';
+            cloned.value = orient;
+            if (this.needCascade(decl)) {
+                cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
+            }
+            decl.parent.insertBefore(decl, cloned);
+
+            cloned = this.clone(decl);
+            cloned.prop = prefix + 'box-direction';
+            cloned.value = dir;
+            if (this.needCascade(decl)) {
+                cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
+            }
+            return decl.parent.insertBefore(decl, cloned);
+        }
+    };
+
+    /**
+     * Clean two properties for 2009 spec
+     */
+
+
+    FlexDirection.prototype.old = function old(prop, prefix) {
+        var spec = void 0;
+
+        var _flexSpec2 = flexSpec(prefix);
+
+        spec = _flexSpec2[0];
+        prefix = _flexSpec2[1];
+
+        if (spec === 2009) {
+            return [prefix + 'box-orient', prefix + 'box-direction'];
+        } else {
+            return _Declaration.prototype.old.call(this, prop, prefix);
+        }
+    };
+
+    return FlexDirection;
+}(Declaration);
+
+Object.defineProperty(FlexDirection, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['flex-direction', 'box-direction', 'box-orient']
+});
+
+
+module.exports = FlexDirection;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/flex-flow.js

@@ -0,0 +1,81 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var FlexFlow = function (_Declaration) {
+    _inherits(FlexFlow, _Declaration);
+
+    function FlexFlow() {
+        _classCallCheck(this, FlexFlow);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Use two properties for 2009 spec
+     */
+    FlexFlow.prototype.insert = function insert(decl, prefix, prefixes) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec !== 2009) {
+            return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+        } else {
+            var values = decl.value.split(/\s+/).filter(function (i) {
+                return i !== 'wrap' && i !== 'nowrap' && 'wrap-reverse';
+            });
+            if (values.length === 0) {
+                return undefined;
+            }
+
+            var already = decl.parent.some(function (i) {
+                return i.prop === prefix + 'box-orient' || i.prop === prefix + 'box-direction';
+            });
+            if (already) {
+                return undefined;
+            }
+
+            var value = values[0];
+            var orient = value.indexOf('row') !== -1 ? 'horizontal' : 'vertical';
+            var dir = value.indexOf('reverse') !== -1 ? 'reverse' : 'normal';
+
+            var cloned = this.clone(decl);
+            cloned.prop = prefix + 'box-orient';
+            cloned.value = orient;
+            if (this.needCascade(decl)) {
+                cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
+            }
+            decl.parent.insertBefore(decl, cloned);
+
+            cloned = this.clone(decl);
+            cloned.prop = prefix + 'box-direction';
+            cloned.value = dir;
+            if (this.needCascade(decl)) {
+                cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
+            }
+            return decl.parent.insertBefore(decl, cloned);
+        }
+    };
+
+    return FlexFlow;
+}(Declaration);
+
+Object.defineProperty(FlexFlow, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['flex-flow', 'box-direction', 'box-orient']
+});
+
+
+module.exports = FlexFlow;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/flex-grow.js

@@ -0,0 +1,60 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var Flex = function (_Declaration) {
+    _inherits(Flex, _Declaration);
+
+    function Flex() {
+        _classCallCheck(this, Flex);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Return property name by final spec
+     */
+    Flex.prototype.normalize = function normalize() {
+        return 'flex';
+    };
+
+    /**
+     * Return flex property for 2009 and 2012 specs
+     */
+
+
+    Flex.prototype.prefixed = function prefixed(prop, prefix) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec === 2009) {
+            return prefix + 'box-flex';
+        } else if (spec === 2012) {
+            return prefix + 'flex-positive';
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    return Flex;
+}(Declaration);
+
+Object.defineProperty(Flex, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['flex-grow', 'flex-positive']
+});
+
+
+module.exports = Flex;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/flex-shrink.js

@@ -0,0 +1,77 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var FlexShrink = function (_Declaration) {
+    _inherits(FlexShrink, _Declaration);
+
+    function FlexShrink() {
+        _classCallCheck(this, FlexShrink);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Return property name by final spec
+     */
+    FlexShrink.prototype.normalize = function normalize() {
+        return 'flex-shrink';
+    };
+
+    /**
+     * Return flex property for 2012 spec
+     */
+
+
+    FlexShrink.prototype.prefixed = function prefixed(prop, prefix) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec === 2012) {
+            return prefix + 'flex-negative';
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Ignore 2009 spec and use flex property for 2012
+     */
+
+
+    FlexShrink.prototype.set = function set(decl, prefix) {
+        var spec = void 0;
+
+        var _flexSpec2 = flexSpec(prefix);
+
+        spec = _flexSpec2[0];
+        prefix = _flexSpec2[1];
+
+        if (spec === 2012 || spec === 'final') {
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        }
+        return undefined;
+    };
+
+    return FlexShrink;
+}(Declaration);
+
+Object.defineProperty(FlexShrink, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['flex-shrink', 'flex-negative']
+});
+
+
+module.exports = FlexShrink;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/flex-spec.js

@@ -0,0 +1,21 @@
+'use strict';
+
+/**
+ * Return flexbox spec versions by prefix
+ */
+module.exports = function (prefix) {
+    var spec = void 0;
+    if (prefix === '-webkit- 2009' || prefix === '-moz-') {
+        spec = 2009;
+    } else if (prefix === '-ms-') {
+        spec = 2012;
+    } else if (prefix === '-webkit-') {
+        spec = 'final';
+    }
+
+    if (prefix === '-webkit- 2009') {
+        prefix = '-webkit-';
+    }
+
+    return [spec, prefix];
+};

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/flex-values.js

@@ -0,0 +1,56 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var OldValue = require('../old-value');
+var Value = require('../value');
+
+var FlexValues = function (_Value) {
+    _inherits(FlexValues, _Value);
+
+    function FlexValues() {
+        _classCallCheck(this, FlexValues);
+
+        return _possibleConstructorReturn(this, _Value.apply(this, arguments));
+    }
+
+    /**
+     * Return prefixed property name
+     */
+    FlexValues.prototype.prefixed = function prefixed(prefix) {
+        return this.all.prefixed(this.name, prefix);
+    };
+
+    /**
+     * Change property name to prefixed property name
+     */
+
+
+    FlexValues.prototype.replace = function replace(string, prefix) {
+        return string.replace(this.regexp(), '$1' + this.prefixed(prefix) + '$3');
+    };
+
+    /**
+     * Return function to fast prefixed property name
+     */
+
+
+    FlexValues.prototype.old = function old(prefix) {
+        return new OldValue(this.name, this.prefixed(prefix));
+    };
+
+    return FlexValues;
+}(Value);
+
+Object.defineProperty(FlexValues, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['flex', 'flex-grow', 'flex-shrink', 'flex-basis']
+});
+
+
+module.exports = FlexValues;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/flex-wrap.js

@@ -0,0 +1,42 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var FlexWrap = function (_Declaration) {
+    _inherits(FlexWrap, _Declaration);
+
+    function FlexWrap() {
+        _classCallCheck(this, FlexWrap);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Don't add prefix for 2009 spec
+     */
+    FlexWrap.prototype.set = function set(decl, prefix) {
+        var spec = flexSpec(prefix)[0];
+        if (spec !== 2009) {
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        }
+        return undefined;
+    };
+
+    return FlexWrap;
+}(Declaration);
+
+Object.defineProperty(FlexWrap, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['flex-wrap']
+});
+
+
+module.exports = FlexWrap;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/flex.js

@@ -0,0 +1,89 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var list = require('postcss/lib/list');
+
+var Flex = function (_Declaration) {
+    _inherits(Flex, _Declaration);
+
+    function Flex() {
+        _classCallCheck(this, Flex);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Change property name for 2009 spec
+     */
+    Flex.prototype.prefixed = function prefixed(prop, prefix) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec === 2009) {
+            return prefix + 'box-flex';
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Return property name by final spec
+     */
+
+
+    Flex.prototype.normalize = function normalize() {
+        return 'flex';
+    };
+
+    /**
+     * Spec 2009 supports only first argument
+     * Spec 2012 disallows unitless basis
+     */
+
+
+    Flex.prototype.set = function set(decl, prefix) {
+        var spec = flexSpec(prefix)[0];
+        if (spec === 2009) {
+            decl.value = list.space(decl.value)[0];
+            decl.value = Flex.oldValues[decl.value] || decl.value;
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        } else if (spec === 2012) {
+            var components = list.space(decl.value);
+            if (components.length === 3 && components[2] === '0') {
+                decl.value = components.slice(0, 2).concat('0px').join(' ');
+            }
+        }
+        return _Declaration.prototype.set.call(this, decl, prefix);
+    };
+
+    return Flex;
+}(Declaration);
+
+Object.defineProperty(Flex, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['flex', 'box-flex']
+});
+Object.defineProperty(Flex, 'oldValues', {
+    enumerable: true,
+    writable: true,
+    value: {
+        auto: '1',
+        none: '0'
+    }
+});
+
+
+module.exports = Flex;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/fullscreen.js

@@ -0,0 +1,43 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Selector = require('../selector');
+
+var Fullscreen = function (_Selector) {
+    _inherits(Fullscreen, _Selector);
+
+    function Fullscreen() {
+        _classCallCheck(this, Fullscreen);
+
+        return _possibleConstructorReturn(this, _Selector.apply(this, arguments));
+    }
+
+    /**
+     * Return different selectors depend on prefix
+     */
+    Fullscreen.prototype.prefixed = function prefixed(prefix) {
+        if (prefix === '-webkit-') {
+            return ':-webkit-full-screen';
+        } else if (prefix === '-moz-') {
+            return ':-moz-full-screen';
+        } else {
+            return ':' + prefix + 'fullscreen';
+        }
+    };
+
+    return Fullscreen;
+}(Selector);
+
+Object.defineProperty(Fullscreen, 'names', {
+    enumerable: true,
+    writable: true,
+    value: [':fullscreen']
+});
+
+
+module.exports = Fullscreen;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/gradient.js

@@ -0,0 +1,531 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var OldValue = require('../old-value');
+var Value = require('../value');
+var utils = require('../utils');
+
+var parser = require('postcss-value-parser');
+var range = require('normalize-range');
+
+var isDirection = /top|left|right|bottom/gi;
+
+var Gradient = function (_Value) {
+    _inherits(Gradient, _Value);
+
+    function Gradient() {
+        var _temp, _this, _ret;
+
+        _classCallCheck(this, Gradient);
+
+        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+            args[_key] = arguments[_key];
+        }
+
+        return _ret = (_temp = (_this = _possibleConstructorReturn(this, _Value.call.apply(_Value, [this].concat(args))), _this), Object.defineProperty(_this, 'directions', {
+            enumerable: true,
+            writable: true,
+            value: {
+                top: 'bottom',
+                left: 'right',
+                bottom: 'top',
+                right: 'left'
+            }
+        }), Object.defineProperty(_this, 'oldDirections', {
+            enumerable: true,
+            writable: true,
+            value: {
+                'top': 'left bottom, left top',
+                'left': 'right top, left top',
+                'bottom': 'left top, left bottom',
+                'right': 'left top, right top',
+
+                'top right': 'left bottom, right top',
+                'top left': 'right bottom, left top',
+                'right top': 'left bottom, right top',
+                'right bottom': 'left top, right bottom',
+                'bottom right': 'left top, right bottom',
+                'bottom left': 'right top, left bottom',
+                'left top': 'right bottom, left top',
+                'left bottom': 'right top, left bottom'
+            }
+        }), _temp), _possibleConstructorReturn(_this, _ret);
+    }
+
+    // Direction to replace
+
+
+    // Direction to replace
+
+
+    /**
+     * Change degrees for webkit prefix
+     */
+    Gradient.prototype.replace = function replace(string, prefix) {
+        var ast = parser(string);
+        for (var _iterator = ast.nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var node = _ref;
+
+            if (node.type === 'function' && node.value === this.name) {
+                node.nodes = this.newDirection(node.nodes);
+                node.nodes = this.normalize(node.nodes);
+                if (prefix === '-webkit- old') {
+                    var changes = this.oldWebkit(node);
+                    if (!changes) {
+                        return undefined;
+                    }
+                } else {
+                    node.nodes = this.convertDirection(node.nodes);
+                    node.value = prefix + node.value;
+                }
+            }
+        }
+        return ast.toString();
+    };
+
+    /**
+     * Replace first token
+     */
+
+
+    Gradient.prototype.replaceFirst = function replaceFirst(params) {
+        for (var _len2 = arguments.length, words = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
+            words[_key2 - 1] = arguments[_key2];
+        }
+
+        var prefix = words.map(function (i) {
+            if (i === ' ') {
+                return { type: 'space', value: i };
+            } else {
+                return { type: 'word', value: i };
+            }
+        });
+        return prefix.concat(params.slice(1));
+    };
+
+    /**
+     * Convert angle unit to deg
+     */
+
+
+    Gradient.prototype.normalizeUnit = function normalizeUnit(str, full) {
+        var num = parseFloat(str);
+        var deg = num / full * 360;
+        return deg + 'deg';
+    };
+
+    /**
+     * Normalize angle
+     */
+
+
+    Gradient.prototype.normalize = function normalize(nodes) {
+        if (!nodes[0]) {
+            return nodes;
+        }
+
+        if (/-?\d+(.\d+)?grad/.test(nodes[0].value)) {
+            nodes[0].value = this.normalizeUnit(nodes[0].value, 400);
+        } else if (/-?\d+(.\d+)?rad/.test(nodes[0].value)) {
+            nodes[0].value = this.normalizeUnit(nodes[0].value, 2 * Math.PI);
+        } else if (/-?\d+(.\d+)?turn/.test(nodes[0].value)) {
+            nodes[0].value = this.normalizeUnit(nodes[0].value, 1);
+        } else if (nodes[0].value.indexOf('deg') !== -1) {
+            var num = parseFloat(nodes[0].value);
+            num = range.wrap(0, 360, num);
+            nodes[0].value = num + 'deg';
+        }
+
+        if (nodes[0].value === '0deg') {
+            nodes = this.replaceFirst(nodes, 'to', ' ', 'top');
+        } else if (nodes[0].value === '90deg') {
+            nodes = this.replaceFirst(nodes, 'to', ' ', 'right');
+        } else if (nodes[0].value === '180deg') {
+            nodes = this.replaceFirst(nodes, 'to', ' ', 'bottom');
+        } else if (nodes[0].value === '270deg') {
+            nodes = this.replaceFirst(nodes, 'to', ' ', 'left');
+        }
+
+        return nodes;
+    };
+
+    /**
+     * Replace old direction to new
+     */
+
+
+    Gradient.prototype.newDirection = function newDirection(params) {
+        if (params[0].value === 'to') {
+            return params;
+        }
+        isDirection.lastIndex = 0; // reset search index of global regexp
+        if (!isDirection.test(params[0].value)) {
+            return params;
+        }
+
+        params.unshift({
+            type: 'word',
+            value: 'to'
+        }, {
+            type: 'space',
+            value: ' '
+        });
+
+        for (var i = 2; i < params.length; i++) {
+            if (params[i].type === 'div') {
+                break;
+            }
+            if (params[i].type === 'word') {
+                params[i].value = this.revertDirection(params[i].value);
+            }
+        }
+
+        return params;
+    };
+
+    /**
+     * Change new direction to old
+     */
+
+
+    Gradient.prototype.convertDirection = function convertDirection(params) {
+        if (params.length > 0) {
+            if (params[0].value === 'to') {
+                this.fixDirection(params);
+            } else if (params[0].value.indexOf('deg') !== -1) {
+                this.fixAngle(params);
+            } else if (params[2].value === 'at') {
+                this.fixRadial(params);
+            }
+        }
+        return params;
+    };
+
+    /**
+     * Replace `to top left` to `bottom right`
+     */
+
+
+    Gradient.prototype.fixDirection = function fixDirection(params) {
+        params.splice(0, 2);
+
+        for (var _iterator2 = params, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+            var _ref2;
+
+            if (_isArray2) {
+                if (_i2 >= _iterator2.length) break;
+                _ref2 = _iterator2[_i2++];
+            } else {
+                _i2 = _iterator2.next();
+                if (_i2.done) break;
+                _ref2 = _i2.value;
+            }
+
+            var param = _ref2;
+
+            if (param.type === 'div') {
+                break;
+            }
+            if (param.type === 'word') {
+                param.value = this.revertDirection(param.value);
+            }
+        }
+    };
+
+    /**
+     * Add 90 degrees
+     */
+
+
+    Gradient.prototype.fixAngle = function fixAngle(params) {
+        var first = params[0].value;
+        first = parseFloat(first);
+        first = Math.abs(450 - first) % 360;
+        first = this.roundFloat(first, 3);
+        params[0].value = first + 'deg';
+    };
+
+    /**
+     * Fix radial direction syntax
+     */
+
+
+    Gradient.prototype.fixRadial = function fixRadial(params) {
+        var first = params[0];
+        var second = [];
+        var i = void 0;
+
+        var div = void 0;
+        for (i = 4; i < params.length; i++) {
+            if (params[i].type === 'div') {
+                div = params[i];
+                break;
+            } else {
+                second.push(params[i]);
+            }
+        }
+
+        params.splice.apply(params, [0, i].concat(second, [div, first]));
+    };
+
+    Gradient.prototype.revertDirection = function revertDirection(word) {
+        return this.directions[word.toLowerCase()] || word;
+    };
+
+    /**
+     * Round float and save digits under dot
+     */
+
+
+    Gradient.prototype.roundFloat = function roundFloat(float, digits) {
+        return parseFloat(float.toFixed(digits));
+    };
+
+    /**
+     * Convert to old webkit syntax
+     */
+
+
+    Gradient.prototype.oldWebkit = function oldWebkit(node) {
+        var nodes = node.nodes;
+
+        var string = parser.stringify(node.nodes);
+
+        if (this.name !== 'linear-gradient') {
+            return false;
+        }
+        if (nodes[0] && nodes[0].value.indexOf('deg') !== -1) {
+            return false;
+        }
+        if (string.indexOf('px') !== -1) {
+            return false;
+        }
+        if (string.indexOf('-corner') !== -1) {
+            return false;
+        }
+        if (string.indexOf('-side') !== -1) {
+            return false;
+        }
+
+        var params = [[]];
+        for (var _iterator3 = nodes, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
+            var _ref3;
+
+            if (_isArray3) {
+                if (_i3 >= _iterator3.length) break;
+                _ref3 = _iterator3[_i3++];
+            } else {
+                _i3 = _iterator3.next();
+                if (_i3.done) break;
+                _ref3 = _i3.value;
+            }
+
+            var i = _ref3;
+
+            params[params.length - 1].push(i);
+            if (i.type === 'div' && i.value === ',') {
+                params.push([]);
+            }
+        }
+
+        this.oldDirection(params);
+        this.colorStops(params);
+
+        node.nodes = [];
+        for (var _iterator4 = params, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) {
+            var _ref4;
+
+            if (_isArray4) {
+                if (_i4 >= _iterator4.length) break;
+                _ref4 = _iterator4[_i4++];
+            } else {
+                _i4 = _iterator4.next();
+                if (_i4.done) break;
+                _ref4 = _i4.value;
+            }
+
+            var param = _ref4;
+
+            node.nodes = node.nodes.concat(param);
+        }
+
+        node.nodes.unshift({ type: 'word', value: 'linear' }, this.cloneDiv(node.nodes));
+        node.value = '-webkit-gradient';
+
+        return true;
+    };
+
+    /**
+     * Change direction syntax to old webkit
+     */
+
+
+    Gradient.prototype.oldDirection = function oldDirection(params) {
+        var div = this.cloneDiv(params[0]);
+
+        if (params[0][0].value !== 'to') {
+            return params.unshift([{ type: 'word', value: this.oldDirections.bottom }, div]);
+        } else {
+            var _words = [];
+            for (var _iterator5 = params[0].slice(2), _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : _iterator5[Symbol.iterator]();;) {
+                var _ref5;
+
+                if (_isArray5) {
+                    if (_i5 >= _iterator5.length) break;
+                    _ref5 = _iterator5[_i5++];
+                } else {
+                    _i5 = _iterator5.next();
+                    if (_i5.done) break;
+                    _ref5 = _i5.value;
+                }
+
+                var node = _ref5;
+
+                if (node.type === 'word') {
+                    _words.push(node.value.toLowerCase());
+                }
+            }
+
+            _words = _words.join(' ');
+            var old = this.oldDirections[_words] || _words;
+
+            params[0] = [{ type: 'word', value: old }, div];
+            return params[0];
+        }
+    };
+
+    /**
+     * Get div token from exists parameters
+     */
+
+
+    Gradient.prototype.cloneDiv = function cloneDiv(params) {
+        for (var _iterator6 = params, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) {
+            var _ref6;
+
+            if (_isArray6) {
+                if (_i6 >= _iterator6.length) break;
+                _ref6 = _iterator6[_i6++];
+            } else {
+                _i6 = _iterator6.next();
+                if (_i6.done) break;
+                _ref6 = _i6.value;
+            }
+
+            var i = _ref6;
+
+            if (i.type === 'div' && i.value === ',') {
+                return i;
+            }
+        }
+        return { type: 'div', value: ',', after: ' ' };
+    };
+
+    /**
+     * Change colors syntax to old webkit
+     */
+
+
+    Gradient.prototype.colorStops = function colorStops(params) {
+        var result = [];
+        for (var i = 0; i < params.length; i++) {
+            var pos = void 0;
+            var param = params[i];
+            var item = void 0;
+            if (i === 0) {
+                continue;
+            }
+
+            var color = parser.stringify(param[0]);
+            if (param[1] && param[1].type === 'word') {
+                pos = param[1].value;
+            } else if (param[2] && param[2].type === 'word') {
+                pos = param[2].value;
+            }
+
+            var stop = void 0;
+            if (i === 1 && (!pos || pos === '0%')) {
+                stop = 'from(' + color + ')';
+            } else if (i === params.length - 1 && (!pos || pos === '100%')) {
+                stop = 'to(' + color + ')';
+            } else if (pos) {
+                stop = 'color-stop(' + pos + ', ' + color + ')';
+            } else {
+                stop = 'color-stop(' + color + ')';
+            }
+
+            var div = param[param.length - 1];
+            params[i] = [{ type: 'word', value: stop }];
+            if (div.type === 'div' && div.value === ',') {
+                item = params[i].push(div);
+            }
+            result.push(item);
+        }
+        return result;
+    };
+
+    /**
+     * Remove old WebKit gradient too
+     */
+
+
+    Gradient.prototype.old = function old(prefix) {
+        if (prefix === '-webkit-') {
+            var type = this.name === 'linear-gradient' ? 'linear' : 'radial';
+            var string = '-gradient';
+            var regexp = utils.regexp('-webkit-(' + type + '-gradient|gradient\\(\\s*' + type + ')', false);
+
+            return new OldValue(this.name, prefix + this.name, string, regexp);
+        } else {
+            return _Value.prototype.old.call(this, prefix);
+        }
+    };
+
+    /**
+     * Do not add non-webkit prefixes for list-style and object
+     */
+
+
+    Gradient.prototype.add = function add(decl, prefix) {
+        var p = decl.prop;
+        if (p.indexOf('mask') !== -1) {
+            if (prefix === '-webkit-' || prefix === '-webkit- old') {
+                return _Value.prototype.add.call(this, decl, prefix);
+            }
+        } else if (p === 'list-style' || p === 'list-style-image' || p === 'content') {
+            if (prefix === '-webkit-' || prefix === '-webkit- old') {
+                return _Value.prototype.add.call(this, decl, prefix);
+            }
+        } else {
+            return _Value.prototype.add.call(this, decl, prefix);
+        }
+        return undefined;
+    };
+
+    return Gradient;
+}(Value);
+
+Object.defineProperty(Gradient, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['linear-gradient', 'repeating-linear-gradient', 'radial-gradient', 'repeating-radial-gradient']
+});
+
+
+module.exports = Gradient;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/grid-column-align.js

@@ -0,0 +1,55 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var GridColumnAlign = function (_Declaration) {
+    _inherits(GridColumnAlign, _Declaration);
+
+    function GridColumnAlign() {
+        _classCallCheck(this, GridColumnAlign);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Do not prefix flexbox values
+     */
+    GridColumnAlign.prototype.check = function check(decl) {
+        return decl.value.indexOf('flex-') === -1 && decl.value !== 'baseline';
+    };
+
+    /**
+     * Change property name for IE
+     */
+
+
+    GridColumnAlign.prototype.prefixed = function prefixed(prop, prefix) {
+        return prefix + 'grid-column-align';
+    };
+
+    /**
+     * Change IE property back
+     */
+
+
+    GridColumnAlign.prototype.normalize = function normalize() {
+        return 'justify-self';
+    };
+
+    return GridColumnAlign;
+}(Declaration);
+
+Object.defineProperty(GridColumnAlign, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['grid-column-align']
+});
+
+
+module.exports = GridColumnAlign;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/grid-end.js

@@ -0,0 +1,71 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var GridEnd = function (_Declaration) {
+    _inherits(GridEnd, _Declaration);
+
+    function GridEnd() {
+        _classCallCheck(this, GridEnd);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Do not add prefix for unsupported value in IE
+     */
+    GridEnd.prototype.check = function check(decl) {
+        return decl.value.indexOf('span') !== -1;
+    };
+
+    /**
+     * Return a final spec property
+     */
+
+
+    GridEnd.prototype.normalize = function normalize(prop) {
+        return prop.replace(/(-span|-end)/, '');
+    };
+
+    /**
+     * Change property name for IE
+     */
+
+
+    GridEnd.prototype.prefixed = function prefixed(prop, prefix) {
+        if (prefix === '-ms-') {
+            return prefix + prop.replace('-end', '-span');
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Change repeating syntax for IE
+     */
+
+
+    GridEnd.prototype.set = function set(decl, prefix) {
+        if (prefix === '-ms-') {
+            decl.value = decl.value.replace(/span\s/i, '');
+        }
+        return _Declaration.prototype.set.call(this, decl, prefix);
+    };
+
+    return GridEnd;
+}(Declaration);
+
+Object.defineProperty(GridEnd, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['grid-row-end', 'grid-column-end', 'grid-row-span', 'grid-column-span']
+});
+
+
+module.exports = GridEnd;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/grid-row-align.js

@@ -0,0 +1,55 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var GridRowAlign = function (_Declaration) {
+    _inherits(GridRowAlign, _Declaration);
+
+    function GridRowAlign() {
+        _classCallCheck(this, GridRowAlign);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Do not prefix flexbox values
+     */
+    GridRowAlign.prototype.check = function check(decl) {
+        return decl.value.indexOf('flex-') === -1 && decl.value !== 'baseline';
+    };
+
+    /**
+     * Change property name for IE
+     */
+
+
+    GridRowAlign.prototype.prefixed = function prefixed(prop, prefix) {
+        return prefix + 'grid-row-align';
+    };
+
+    /**
+     * Change IE property back
+     */
+
+
+    GridRowAlign.prototype.normalize = function normalize() {
+        return 'align-self';
+    };
+
+    return GridRowAlign;
+}(Declaration);
+
+Object.defineProperty(GridRowAlign, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['grid-row-align']
+});
+
+
+module.exports = GridRowAlign;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/grid-start.js

@@ -0,0 +1,103 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var GridStart = function (_Declaration) {
+    _inherits(GridStart, _Declaration);
+
+    function GridStart() {
+        _classCallCheck(this, GridStart);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Do not add prefix for unsupported value in IE
+     */
+    GridStart.prototype.check = function check(decl) {
+        return decl.value.indexOf('/') === -1 || decl.value.indexOf('span') !== -1;
+    };
+
+    /**
+     * Return a final spec property
+     */
+
+
+    GridStart.prototype.normalize = function normalize(prop) {
+        return prop.replace('-start', '');
+    };
+
+    /**
+     * Change property name for IE
+     */
+
+
+    GridStart.prototype.prefixed = function prefixed(prop, prefix) {
+        if (prefix === '-ms-') {
+            return prefix + prop.replace('-start', '');
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Split one value to two
+     */
+
+
+    GridStart.prototype.insert = function insert(decl, prefix, prefixes) {
+        var parts = this.splitValue(decl, prefix);
+        if (parts.length === 2) {
+            decl.cloneBefore({
+                prop: '-ms-' + decl.prop + '-span',
+                value: parts[1]
+            });
+        }
+        return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+    };
+
+    /**
+     * Change value for combine property
+     */
+
+
+    GridStart.prototype.set = function set(decl, prefix) {
+        var parts = this.splitValue(decl, prefix);
+        if (parts.length === 2) {
+            decl.value = parts[0];
+        }
+        return _Declaration.prototype.set.call(this, decl, prefix);
+    };
+
+    /**
+     * If property contains start and end
+     */
+
+
+    GridStart.prototype.splitValue = function splitValue(decl, prefix) {
+        if (prefix === '-ms-' && decl.prop.indexOf('-start') === -1) {
+            var parts = decl.value.split(/\s*\/\s*span\s+/);
+            if (parts.length === 2) {
+                return parts;
+            }
+        }
+        return false;
+    };
+
+    return GridStart;
+}(Declaration);
+
+Object.defineProperty(GridStart, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['grid-row-start', 'grid-column-start', 'grid-row', 'grid-column']
+});
+
+
+module.exports = GridStart;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/grid-template.js

@@ -0,0 +1,113 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var parser = require('postcss-value-parser');
+
+var Declaration = require('../declaration');
+
+var GridTemplate = function (_Declaration) {
+    _inherits(GridTemplate, _Declaration);
+
+    function GridTemplate() {
+        _classCallCheck(this, GridTemplate);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Change property name for IE
+     */
+    GridTemplate.prototype.prefixed = function prefixed(prop, prefix) {
+        if (prefix === '-ms-') {
+            return prefix + prop.replace('template-', '');
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Change IE property back
+     */
+
+
+    GridTemplate.prototype.normalize = function normalize(prop) {
+        return prop.replace(/^grid-(rows|columns)/, 'grid-template-$1');
+    };
+
+    /**
+     * Recursive part of changeRepeat
+     */
+
+
+    GridTemplate.prototype.walkRepeat = function walkRepeat(node) {
+        var fixed = [];
+        for (var _iterator = node.nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var i = _ref;
+
+            if (i.nodes) {
+                this.walkRepeat(i);
+            }
+            fixed.push(i);
+            if (i.type === 'function' && i.value === 'repeat') {
+                var first = i.nodes.shift();
+                if (first) {
+                    var count = first.value;
+                    i.nodes.shift();
+                    i.value = '';
+                    fixed.push({ type: 'word', value: '[' + count + ']' });
+                }
+            }
+        }
+        node.nodes = fixed;
+    };
+
+    /**
+     * IE repeating syntax
+     */
+
+
+    GridTemplate.prototype.changeRepeat = function changeRepeat(value) {
+        var ast = parser(value);
+        this.walkRepeat(ast);
+        return ast.toString();
+    };
+
+    /**
+     * Change repeating syntax for IE
+     */
+
+
+    GridTemplate.prototype.set = function set(decl, prefix) {
+        if (prefix === '-ms-' && decl.value.indexOf('repeat(') !== -1) {
+            decl.value = this.changeRepeat(decl.value);
+        }
+        return _Declaration.prototype.set.call(this, decl, prefix);
+    };
+
+    return GridTemplate;
+}(Declaration);
+
+Object.defineProperty(GridTemplate, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['grid-template-rows', 'grid-template-columns', 'grid-rows', 'grid-columns']
+});
+
+
+module.exports = GridTemplate;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/image-rendering.js

@@ -0,0 +1,83 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var ImageRendering = function (_Declaration) {
+    _inherits(ImageRendering, _Declaration);
+
+    function ImageRendering() {
+        _classCallCheck(this, ImageRendering);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Add hack only for crisp-edges
+     */
+    ImageRendering.prototype.check = function check(decl) {
+        return decl.value === 'pixelated';
+    };
+
+    /**
+     * Change property name for IE
+     */
+
+
+    ImageRendering.prototype.prefixed = function prefixed(prop, prefix) {
+        if (prefix === '-ms-') {
+            return '-ms-interpolation-mode';
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Change property and value for IE
+     */
+
+
+    ImageRendering.prototype.set = function set(decl, prefix) {
+        if (prefix === '-ms-') {
+            decl.prop = '-ms-interpolation-mode';
+            decl.value = 'nearest-neighbor';
+            return decl;
+        } else {
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        }
+    };
+
+    /**
+     * Return property name by spec
+     */
+
+
+    ImageRendering.prototype.normalize = function normalize() {
+        return 'image-rendering';
+    };
+
+    /**
+     * Warn on old value
+     */
+
+
+    ImageRendering.prototype.process = function process(node, result) {
+        return _Declaration.prototype.process.call(this, node, result);
+    };
+
+    return ImageRendering;
+}(Declaration);
+
+Object.defineProperty(ImageRendering, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['image-rendering', 'interpolation-mode']
+});
+
+
+module.exports = ImageRendering;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/image-set.js

@@ -0,0 +1,41 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Value = require('../value');
+
+var ImageSet = function (_Value) {
+    _inherits(ImageSet, _Value);
+
+    function ImageSet() {
+        _classCallCheck(this, ImageSet);
+
+        return _possibleConstructorReturn(this, _Value.apply(this, arguments));
+    }
+
+    /**
+     * Use non-standard name for WebKit and Firefox
+     */
+    ImageSet.prototype.replace = function replace(string, prefix) {
+        if (prefix === '-webkit-') {
+            return _Value.prototype.replace.call(this, string, prefix).replace(/("[^"]+"|'[^']+')(\s+\d+\w)/gi, 'url($1)$2');
+        } else {
+            return _Value.prototype.replace.call(this, string, prefix);
+        }
+    };
+
+    return ImageSet;
+}(Value);
+
+Object.defineProperty(ImageSet, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['image-set']
+});
+
+
+module.exports = ImageSet;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/inline-logical.js

@@ -0,0 +1,46 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var InlineLogical = function (_Declaration) {
+    _inherits(InlineLogical, _Declaration);
+
+    function InlineLogical() {
+        _classCallCheck(this, InlineLogical);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Use old syntax for -moz- and -webkit-
+     */
+    InlineLogical.prototype.prefixed = function prefixed(prop, prefix) {
+        return prefix + prop.replace('-inline', '');
+    };
+
+    /**
+     * Return property name by spec
+     */
+
+
+    InlineLogical.prototype.normalize = function normalize(prop) {
+        return prop.replace(/(margin|padding|border)-(start|end)/, '$1-inline-$2');
+    };
+
+    return InlineLogical;
+}(Declaration);
+
+Object.defineProperty(InlineLogical, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['border-inline-start', 'border-inline-end', 'margin-inline-start', 'margin-inline-end', 'padding-inline-start', 'padding-inline-end', 'border-start', 'border-end', 'margin-start', 'margin-end', 'padding-start', 'padding-end']
+});
+
+
+module.exports = InlineLogical;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/intrinsic.js

@@ -0,0 +1,73 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var OldValue = require('../old-value');
+var Value = require('../value');
+
+function _regexp(name) {
+    return new RegExp('(^|[\\s,(])(' + name + '($|[\\s),]))', 'gi');
+}
+
+var Intrinsic = function (_Value) {
+    _inherits(Intrinsic, _Value);
+
+    function Intrinsic() {
+        _classCallCheck(this, Intrinsic);
+
+        return _possibleConstructorReturn(this, _Value.apply(this, arguments));
+    }
+
+    Intrinsic.prototype.regexp = function regexp() {
+        if (!this.regexpCache) this.regexpCache = _regexp(this.name);
+        return this.regexpCache;
+    };
+
+    Intrinsic.prototype.isStretch = function isStretch() {
+        return this.name === 'stretch' || this.name === 'fill' || this.name === 'fill-available';
+    };
+
+    Intrinsic.prototype.replace = function replace(string, prefix) {
+        if (prefix === '-moz-' && this.isStretch()) {
+            return string.replace(this.regexp(), '$1-moz-available$3');
+        } else if (prefix === '-webkit-' && this.isStretch()) {
+            return string.replace(this.regexp(), '$1-webkit-fill-available$3');
+        } else {
+            return _Value.prototype.replace.call(this, string, prefix);
+        }
+    };
+
+    Intrinsic.prototype.old = function old(prefix) {
+        var prefixed = prefix + this.name;
+        if (this.isStretch()) {
+            if (prefix === '-moz-') {
+                prefixed = '-moz-available';
+            } else if (prefix === '-webkit-') {
+                prefixed = '-webkit-fill-available';
+            }
+        }
+        return new OldValue(this.name, prefixed, prefixed, _regexp(prefixed));
+    };
+
+    Intrinsic.prototype.add = function add(decl, prefix) {
+        if (decl.prop.indexOf('grid') !== -1 && prefix !== '-webkit-') {
+            return undefined;
+        }
+        return _Value.prototype.add.call(this, decl, prefix);
+    };
+
+    return Intrinsic;
+}(Value);
+
+Object.defineProperty(Intrinsic, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['max-content', 'min-content', 'fit-content', 'fill', 'fill-available', 'stretch']
+});
+
+
+module.exports = Intrinsic;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/justify-content.js

@@ -0,0 +1,89 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var JustifyContent = function (_Declaration) {
+    _inherits(JustifyContent, _Declaration);
+
+    function JustifyContent() {
+        _classCallCheck(this, JustifyContent);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Change property name for 2009 and 2012 specs
+     */
+    JustifyContent.prototype.prefixed = function prefixed(prop, prefix) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec === 2009) {
+            return prefix + 'box-pack';
+        } else if (spec === 2012) {
+            return prefix + 'flex-pack';
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Return property name by final spec
+     */
+
+
+    JustifyContent.prototype.normalize = function normalize() {
+        return 'justify-content';
+    };
+
+    /**
+     * Change value for 2009 and 2012 specs
+     */
+
+
+    JustifyContent.prototype.set = function set(decl, prefix) {
+        var spec = flexSpec(prefix)[0];
+        if (spec === 2009 || spec === 2012) {
+            var value = JustifyContent.oldValues[decl.value] || decl.value;
+            decl.value = value;
+            if (spec !== 2009 || value !== 'distribute') {
+                return _Declaration.prototype.set.call(this, decl, prefix);
+            }
+        } else if (spec === 'final') {
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        }
+        return undefined;
+    };
+
+    return JustifyContent;
+}(Declaration);
+
+Object.defineProperty(JustifyContent, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['justify-content', 'flex-pack', 'box-pack']
+});
+Object.defineProperty(JustifyContent, 'oldValues', {
+    enumerable: true,
+    writable: true,
+    value: {
+        'flex-end': 'end',
+        'flex-start': 'start',
+        'space-between': 'justify',
+        'space-around': 'distribute'
+    }
+});
+
+
+module.exports = JustifyContent;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/mask-border.js

@@ -0,0 +1,50 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var MaskBorder = function (_Declaration) {
+    _inherits(MaskBorder, _Declaration);
+
+    function MaskBorder() {
+        _classCallCheck(this, MaskBorder);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Return property name by final spec
+     */
+    MaskBorder.prototype.normalize = function normalize() {
+        return this.name.replace('box-image', 'border');
+    };
+
+    /**
+     * Return flex property for 2012 spec
+     */
+
+
+    MaskBorder.prototype.prefixed = function prefixed(prop, prefix) {
+        if (prefix === '-webkit-') {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix).replace('border', 'box-image');
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    return MaskBorder;
+}(Declaration);
+
+Object.defineProperty(MaskBorder, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['mask-border', 'mask-border-source', 'mask-border-slice', 'mask-border-width', 'mask-border-outset', 'mask-border-repeat', 'mask-box-image', 'mask-box-image-source', 'mask-box-image-slice', 'mask-box-image-width', 'mask-box-image-outset', 'mask-box-image-repeat']
+});
+
+
+module.exports = MaskBorder;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/order.js

@@ -0,0 +1,75 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var flexSpec = require('./flex-spec');
+var Declaration = require('../declaration');
+
+var Order = function (_Declaration) {
+    _inherits(Order, _Declaration);
+
+    function Order() {
+        _classCallCheck(this, Order);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Change property name for 2009 and 2012 specs
+     */
+    Order.prototype.prefixed = function prefixed(prop, prefix) {
+        var spec = void 0;
+
+        var _flexSpec = flexSpec(prefix);
+
+        spec = _flexSpec[0];
+        prefix = _flexSpec[1];
+
+        if (spec === 2009) {
+            return prefix + 'box-ordinal-group';
+        } else if (spec === 2012) {
+            return prefix + 'flex-order';
+        } else {
+            return _Declaration.prototype.prefixed.call(this, prop, prefix);
+        }
+    };
+
+    /**
+     * Return property name by final spec
+     */
+
+
+    Order.prototype.normalize = function normalize() {
+        return 'order';
+    };
+
+    /**
+     * Fix value for 2009 spec
+     */
+
+
+    Order.prototype.set = function set(decl, prefix) {
+        var spec = flexSpec(prefix)[0];
+        if (spec === 2009 && /\d/.test(decl.value)) {
+            decl.value = (parseInt(decl.value) + 1).toString();
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        } else {
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        }
+    };
+
+    return Order;
+}(Declaration);
+
+Object.defineProperty(Order, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['order', 'flex-order', 'box-ordinal-group']
+});
+
+
+module.exports = Order;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/pixelated.js

@@ -0,0 +1,59 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var OldValue = require('../old-value');
+var Value = require('../value');
+
+var Pixelated = function (_Value) {
+    _inherits(Pixelated, _Value);
+
+    function Pixelated() {
+        _classCallCheck(this, Pixelated);
+
+        return _possibleConstructorReturn(this, _Value.apply(this, arguments));
+    }
+
+    /**
+     * Use non-standard name for WebKit and Firefox
+     */
+    Pixelated.prototype.replace = function replace(string, prefix) {
+        if (prefix === '-webkit-') {
+            return string.replace(this.regexp(), '$1-webkit-optimize-contrast');
+        } else if (prefix === '-moz-') {
+            return string.replace(this.regexp(), '$1-moz-crisp-edges');
+        } else {
+            return _Value.prototype.replace.call(this, string, prefix);
+        }
+    };
+
+    /**
+     * Different name for WebKit and Firefox
+     */
+
+
+    Pixelated.prototype.old = function old(prefix) {
+        if (prefix === '-webkit-') {
+            return new OldValue(this.name, '-webkit-optimize-contrast');
+        } else if (prefix === '-moz-') {
+            return new OldValue(this.name, '-moz-crisp-edges');
+        } else {
+            return _Value.prototype.old.call(this, prefix);
+        }
+    };
+
+    return Pixelated;
+}(Value);
+
+Object.defineProperty(Pixelated, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['pixelated']
+});
+
+
+module.exports = Pixelated;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/placeholder.js

@@ -0,0 +1,56 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Selector = require('../selector');
+
+var Placeholder = function (_Selector) {
+    _inherits(Placeholder, _Selector);
+
+    function Placeholder() {
+        _classCallCheck(this, Placeholder);
+
+        return _possibleConstructorReturn(this, _Selector.apply(this, arguments));
+    }
+
+    /**
+     * Add old mozilla to possible prefixes
+     */
+    Placeholder.prototype.possible = function possible() {
+        return _Selector.prototype.possible.call(this).concat(['-moz- old', '-ms- old']);
+    };
+
+    /**
+     * Return different selectors depend on prefix
+     */
+
+
+    Placeholder.prototype.prefixed = function prefixed(prefix) {
+        if (prefix === '-webkit-') {
+            return '::-webkit-input-placeholder';
+        } else if (prefix === '-ms-') {
+            return '::-ms-input-placeholder';
+        } else if (prefix === '-ms- old') {
+            return ':-ms-input-placeholder';
+        } else if (prefix === '-moz- old') {
+            return ':-moz-placeholder';
+        } else {
+            return '::' + prefix + 'placeholder';
+        }
+    };
+
+    return Placeholder;
+}(Selector);
+
+Object.defineProperty(Placeholder, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['::placeholder']
+});
+
+
+module.exports = Placeholder;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/text-decoration.js

@@ -0,0 +1,41 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var BASIC = ['none', 'underline', 'overline', 'line-through', 'blink', 'inherit', 'initial', 'unset'];
+
+var TextDecoration = function (_Declaration) {
+    _inherits(TextDecoration, _Declaration);
+
+    function TextDecoration() {
+        _classCallCheck(this, TextDecoration);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Do not add prefixes for basic values.
+     */
+    TextDecoration.prototype.check = function check(decl) {
+        return decl.value.split(/\s+/).some(function (i) {
+            return BASIC.indexOf(i) === -1;
+        });
+    };
+
+    return TextDecoration;
+}(Declaration);
+
+Object.defineProperty(TextDecoration, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['text-decoration']
+});
+
+
+module.exports = TextDecoration;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/text-emphasis-position.js

@@ -0,0 +1,39 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var TextEmphasisPosition = function (_Declaration) {
+    _inherits(TextEmphasisPosition, _Declaration);
+
+    function TextEmphasisPosition() {
+        _classCallCheck(this, TextEmphasisPosition);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    TextEmphasisPosition.prototype.set = function set(decl, prefix) {
+        if (prefix === '-webkit-') {
+            decl.value = decl.value.replace(/\s*(right|left)\s*/i, '');
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        } else {
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        }
+    };
+
+    return TextEmphasisPosition;
+}(Declaration);
+
+Object.defineProperty(TextEmphasisPosition, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['text-emphasis-position']
+});
+
+
+module.exports = TextEmphasisPosition;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/transform-decl.js

@@ -0,0 +1,116 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var TransformDecl = function (_Declaration) {
+    _inherits(TransformDecl, _Declaration);
+
+    function TransformDecl() {
+        _classCallCheck(this, TransformDecl);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    /**
+     * Recursively check all parents for @keyframes
+     */
+    TransformDecl.prototype.keyframeParents = function keyframeParents(decl) {
+        var parent = decl.parent;
+
+        while (parent) {
+            if (parent.type === 'atrule' && parent.name === 'keyframes') {
+                return true;
+            }
+            var _parent = parent;
+            parent = _parent.parent;
+        }
+        return false;
+    };
+
+    /**
+     * Is transform caontain 3D commands
+     */
+
+
+    TransformDecl.prototype.contain3d = function contain3d(decl) {
+        if (decl.prop === 'transform-origin') {
+            return false;
+        }
+
+        for (var _iterator = TransformDecl.functions3d, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var func = _ref;
+
+            if (decl.value.indexOf(func + '(') !== -1) {
+                return true;
+            }
+        }
+
+        return false;
+    };
+
+    /**
+     * Replace rotateZ to rotate for IE 9
+     */
+
+
+    TransformDecl.prototype.set = function set(decl, prefix) {
+        decl = _Declaration.prototype.set.call(this, decl, prefix);
+        if (prefix === '-ms-') {
+            decl.value = decl.value.replace(/rotateZ/gi, 'rotate');
+        }
+        return decl;
+    };
+
+    /**
+     * Don't add prefix for IE in keyframes
+     */
+
+
+    TransformDecl.prototype.insert = function insert(decl, prefix, prefixes) {
+        if (prefix === '-ms-') {
+            if (!this.contain3d(decl) && !this.keyframeParents(decl)) {
+                return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+            }
+        } else if (prefix === '-o-') {
+            if (!this.contain3d(decl)) {
+                return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+            }
+        } else {
+            return _Declaration.prototype.insert.call(this, decl, prefix, prefixes);
+        }
+        return undefined;
+    };
+
+    return TransformDecl;
+}(Declaration);
+
+Object.defineProperty(TransformDecl, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['transform', 'transform-origin']
+});
+Object.defineProperty(TransformDecl, 'functions3d', {
+    enumerable: true,
+    writable: true,
+    value: ['matrix3d', 'translate3d', 'translateZ', 'scale3d', 'scaleZ', 'rotate3d', 'rotateX', 'rotateY', 'perspective']
+});
+
+
+module.exports = TransformDecl;

static/js/ketcher2/node_modules/autoprefixer/lib/hacks/writing-mode.js

@@ -0,0 +1,48 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Declaration = require('../declaration');
+
+var WritingMode = function (_Declaration) {
+    _inherits(WritingMode, _Declaration);
+
+    function WritingMode() {
+        _classCallCheck(this, WritingMode);
+
+        return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
+    }
+
+    WritingMode.prototype.set = function set(decl, prefix) {
+        if (prefix === '-ms-') {
+            decl.value = WritingMode.msValues[decl.value] || decl.value;
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        } else {
+            return _Declaration.prototype.set.call(this, decl, prefix);
+        }
+    };
+
+    return WritingMode;
+}(Declaration);
+
+Object.defineProperty(WritingMode, 'names', {
+    enumerable: true,
+    writable: true,
+    value: ['writing-mode']
+});
+Object.defineProperty(WritingMode, 'msValues', {
+    enumerable: true,
+    writable: true,
+    value: {
+        'horizontal-tb': 'lr-tb',
+        'vertical-rl': 'tb-rl',
+        'vertical-lr': 'tb-lr'
+    }
+});
+
+
+module.exports = WritingMode;

static/js/ketcher2/node_modules/autoprefixer/lib/info.js

@@ -0,0 +1,152 @@
+'use strict';
+
+var browserslist = require('browserslist');
+
+function capitalize(str) {
+    return str.slice(0, 1).toUpperCase() + str.slice(1);
+}
+
+var names = {
+    ie: 'IE',
+    ie_mob: 'IE Mobile',
+    ios_saf: 'iOS',
+    op_mini: 'Opera Mini',
+    op_mob: 'Opera Mobile',
+    and_chr: 'Chrome for Android',
+    and_ff: 'Firefox for Android',
+    and_uc: 'UC for Android'
+};
+
+var prefix = function prefix(name, prefixes) {
+    var out = '  ' + name + ': ';
+    out += prefixes.map(function (i) {
+        return i.replace(/^-(.*)-$/g, '$1');
+    }).join(', ');
+    out += '\n';
+    return out;
+};
+
+module.exports = function (prefixes) {
+    if (prefixes.browsers.selected.length === 0) {
+        return 'No browsers selected';
+    }
+
+    var versions = {};
+    for (var _iterator = prefixes.browsers.selected, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+        var _ref;
+
+        if (_isArray) {
+            if (_i >= _iterator.length) break;
+            _ref = _iterator[_i++];
+        } else {
+            _i = _iterator.next();
+            if (_i.done) break;
+            _ref = _i.value;
+        }
+
+        var browser = _ref;
+
+        var _browser$split = browser.split(' '),
+            name = _browser$split[0],
+            version = _browser$split[1];
+
+        name = names[name] || capitalize(name);
+        if (versions[name]) {
+            versions[name].push(version);
+        } else {
+            versions[name] = [version];
+        }
+    }
+
+    var out = 'Browsers:\n';
+    for (var _browser in versions) {
+        var list = versions[_browser];
+        list = list.sort(function (a, b) {
+            return parseFloat(b) - parseFloat(a);
+        });
+        out += '  ' + _browser + ': ' + list.join(', ') + '\n';
+    }
+
+    var coverage = browserslist.coverage(prefixes.browsers.selected);
+    var round = Math.round(coverage * 100) / 100.0;
+    out += '\nThese browsers account for ' + round + '% of all users globally\n';
+
+    var atrules = '';
+    for (var name in prefixes.add) {
+        var data = prefixes.add[name];
+        if (name[0] === '@' && data.prefixes) {
+            atrules += prefix(name, data.prefixes);
+        }
+    }
+    if (atrules !== '') {
+        out += '\nAt-Rules:\n' + atrules;
+    }
+
+    var selectors = '';
+    for (var _iterator2 = prefixes.add.selectors, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+        var _ref2;
+
+        if (_isArray2) {
+            if (_i2 >= _iterator2.length) break;
+            _ref2 = _iterator2[_i2++];
+        } else {
+            _i2 = _iterator2.next();
+            if (_i2.done) break;
+            _ref2 = _i2.value;
+        }
+
+        var selector = _ref2;
+
+        if (selector.prefixes) {
+            selectors += prefix(selector.name, selector.prefixes);
+        }
+    }
+    if (selectors !== '') {
+        out += '\nSelectors:\n' + selectors;
+    }
+
+    var values = '';
+    var props = '';
+    for (var _name in prefixes.add) {
+        var _data = prefixes.add[_name];
+        if (_name[0] !== '@' && _data.prefixes) {
+            props += prefix(_name, _data.prefixes);
+        }
+
+        if (!_data.values) {
+            continue;
+        }
+        for (var _iterator3 = _data.values, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
+            var _ref3;
+
+            if (_isArray3) {
+                if (_i3 >= _iterator3.length) break;
+                _ref3 = _iterator3[_i3++];
+            } else {
+                _i3 = _iterator3.next();
+                if (_i3.done) break;
+                _ref3 = _i3.value;
+            }
+
+            var value = _ref3;
+
+            var string = prefix(value.name, value.prefixes);
+            if (values.indexOf(string) === -1) {
+                values += string;
+            }
+        }
+    }
+
+    if (props !== '') {
+        out += '\nProperties:\n' + props;
+    }
+    if (values !== '') {
+        out += '\nValues:\n' + values;
+    }
+
+    if (atrules === '' && selectors === '' && props === '' && values === '') {
+        out += '\nAwesome! Your browsers don\'t require any vendor prefixes.' + '\nNow you can remove Autoprefixer from build steps.';
+    }
+
+    return out;
+};

static/js/ketcher2/node_modules/autoprefixer/lib/old-selector.js

@@ -0,0 +1,94 @@
+"use strict";
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var OldSelector = function () {
+    function OldSelector(selector, prefix) {
+        _classCallCheck(this, OldSelector);
+
+        this.prefix = prefix;
+        this.prefixed = selector.prefixed(this.prefix);
+        this.regexp = selector.regexp(this.prefix);
+
+        this.prefixeds = selector.possible().map(function (x) {
+            return [selector.prefixed(x), selector.regexp(x)];
+        });
+
+        this.unprefixed = selector.name;
+        this.nameRegexp = selector.regexp();
+    }
+
+    /**
+     * Is rule a hack without unprefixed version bottom
+     */
+
+
+    OldSelector.prototype.isHack = function isHack(rule) {
+        var index = rule.parent.index(rule) + 1;
+        var rules = rule.parent.nodes;
+
+        while (index < rules.length) {
+            var before = rules[index].selector;
+            if (!before) {
+                return true;
+            }
+
+            if (before.indexOf(this.unprefixed) !== -1 && before.match(this.nameRegexp)) {
+                return false;
+            }
+
+            var some = false;
+            for (var _iterator = this.prefixeds, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+                var _ref2;
+
+                if (_isArray) {
+                    if (_i >= _iterator.length) break;
+                    _ref2 = _iterator[_i++];
+                } else {
+                    _i = _iterator.next();
+                    if (_i.done) break;
+                    _ref2 = _i.value;
+                }
+
+                var _ref = _ref2;
+                var string = _ref[0];
+                var regexp = _ref[1];
+
+                if (before.indexOf(string) !== -1 && before.match(regexp)) {
+                    some = true;
+                    break;
+                }
+            }
+
+            if (!some) {
+                return true;
+            }
+
+            index += 1;
+        }
+
+        return true;
+    };
+
+    /**
+     * Does rule contain an unnecessary prefixed selector
+     */
+
+
+    OldSelector.prototype.check = function check(rule) {
+        if (rule.selector.indexOf(this.prefixed) === -1) {
+            return false;
+        }
+        if (!rule.selector.match(this.regexp)) {
+            return false;
+        }
+        if (this.isHack(rule)) {
+            return false;
+        }
+        return true;
+    };
+
+    return OldSelector;
+}();
+
+module.exports = OldSelector;

static/js/ketcher2/node_modules/autoprefixer/lib/old-value.js

@@ -0,0 +1,32 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var utils = require('./utils');
+
+var OldValue = function () {
+    function OldValue(unprefixed, prefixed, string, regexp) {
+        _classCallCheck(this, OldValue);
+
+        this.unprefixed = unprefixed;
+        this.prefixed = prefixed;
+        this.string = string || prefixed;
+        this.regexp = regexp || utils.regexp(prefixed);
+    }
+
+    /**
+     * Check, that value contain old value
+     */
+
+
+    OldValue.prototype.check = function check(value) {
+        if (value.indexOf(this.string) !== -1) {
+            return !!value.match(this.regexp);
+        }
+        return false;
+    };
+
+    return OldValue;
+}();
+
+module.exports = OldValue;

static/js/ketcher2/node_modules/autoprefixer/lib/prefixer.js

@@ -0,0 +1,190 @@
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Browsers = require('./browsers');
+var utils = require('./utils');
+
+var vendor = require('postcss/lib/vendor');
+
+/**
+ * Recursivly clone objects
+ */
+function _clone(obj, parent) {
+    var cloned = new obj.constructor();
+
+    for (var _iterator = Object.keys(obj || {}), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+        var _ref;
+
+        if (_isArray) {
+            if (_i >= _iterator.length) break;
+            _ref = _iterator[_i++];
+        } else {
+            _i = _iterator.next();
+            if (_i.done) break;
+            _ref = _i.value;
+        }
+
+        var i = _ref;
+
+        var value = obj[i];
+        if (i === 'parent' && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object') {
+            if (parent) {
+                cloned[i] = parent;
+            }
+        } else if (i === 'source') {
+            cloned[i] = value;
+        } else if (i === null) {
+            cloned[i] = value;
+        } else if (value instanceof Array) {
+            cloned[i] = value.map(function (x) {
+                return _clone(x, cloned);
+            });
+        } else if (i !== '_autoprefixerPrefix' && i !== '_autoprefixerValues') {
+            if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value !== null) {
+                value = _clone(value, cloned);
+            }
+            cloned[i] = value;
+        }
+    }
+
+    return cloned;
+}
+
+var Prefixer = function () {
+
+    /**
+     * Add hack to selected names
+     */
+    Prefixer.hack = function hack(klass) {
+        var _this = this;
+
+        if (!this.hacks) {
+            this.hacks = {};
+        }
+        return klass.names.map(function (name) {
+            _this.hacks[name] = klass;
+            return _this.hacks[name];
+        });
+    };
+
+    /**
+     * Load hacks for some names
+     */
+
+
+    Prefixer.load = function load(name, prefixes, all) {
+        var Klass = this.hacks && this.hacks[name];
+        if (Klass) {
+            return new Klass(name, prefixes, all);
+        } else {
+            return new this(name, prefixes, all);
+        }
+    };
+
+    /**
+     * Clone node and clean autprefixer custom caches
+     */
+
+
+    Prefixer.clone = function clone(node, overrides) {
+        var cloned = _clone(node);
+        for (var name in overrides) {
+            cloned[name] = overrides[name];
+        }
+        return cloned;
+    };
+
+    function Prefixer(name, prefixes, all) {
+        _classCallCheck(this, Prefixer);
+
+        this.name = name;
+        this.prefixes = prefixes;
+        this.all = all;
+    }
+
+    /**
+     * Find prefix in node parents
+     */
+
+
+    Prefixer.prototype.parentPrefix = function parentPrefix(node) {
+        var prefix = void 0;
+
+        if (typeof node._autoprefixerPrefix !== 'undefined') {
+            prefix = node._autoprefixerPrefix;
+        } else if (node.type === 'decl' && node.prop[0] === '-') {
+            prefix = vendor.prefix(node.prop);
+        } else if (node.type === 'root') {
+            prefix = false;
+        } else if (node.type === 'rule' && node.selector.indexOf(':-') !== -1 && /:(-\w+-)/.test(node.selector)) {
+            prefix = node.selector.match(/:(-\w+-)/)[1];
+        } else if (node.type === 'atrule' && node.name[0] === '-') {
+            prefix = vendor.prefix(node.name);
+        } else {
+            prefix = this.parentPrefix(node.parent);
+        }
+
+        if (Browsers.prefixes().indexOf(prefix) === -1) {
+            prefix = false;
+        }
+
+        node._autoprefixerPrefix = prefix;
+
+        return node._autoprefixerPrefix;
+    };
+
+    /**
+     * Clone node with prefixes
+     */
+
+
+    Prefixer.prototype.process = function process(node) {
+        if (!this.check(node)) {
+            return undefined;
+        }
+
+        var parent = this.parentPrefix(node);
+
+        var prefixes = this.prefixes.filter(function (prefix) {
+            return !parent || parent === utils.removeNote(prefix);
+        });
+
+        var added = [];
+        for (var _iterator2 = prefixes, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+            var _ref2;
+
+            if (_isArray2) {
+                if (_i2 >= _iterator2.length) break;
+                _ref2 = _iterator2[_i2++];
+            } else {
+                _i2 = _iterator2.next();
+                if (_i2.done) break;
+                _ref2 = _i2.value;
+            }
+
+            var prefix = _ref2;
+
+            if (this.add(node, prefix, added.concat([prefix]))) {
+                added.push(prefix);
+            }
+        }
+
+        return added;
+    };
+
+    /**
+     * Shortcut for Prefixer.clone
+     */
+
+
+    Prefixer.prototype.clone = function clone(node, overrides) {
+        return Prefixer.clone(node, overrides);
+    };
+
+    return Prefixer;
+}();
+
+module.exports = Prefixer;

static/js/ketcher2/node_modules/autoprefixer/lib/prefixes.js

@@ -0,0 +1,506 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Declaration = require('./declaration');
+var Resolution = require('./resolution');
+var Transition = require('./transition');
+var Processor = require('./processor');
+var Supports = require('./supports');
+var Browsers = require('./browsers');
+var Selector = require('./selector');
+var AtRule = require('./at-rule');
+var Value = require('./value');
+var utils = require('./utils');
+
+var vendor = require('postcss/lib/vendor');
+
+Selector.hack(require('./hacks/fullscreen'));
+Selector.hack(require('./hacks/placeholder'));
+
+Declaration.hack(require('./hacks/flex'));
+Declaration.hack(require('./hacks/order'));
+Declaration.hack(require('./hacks/filter'));
+Declaration.hack(require('./hacks/grid-end'));
+Declaration.hack(require('./hacks/flex-flow'));
+Declaration.hack(require('./hacks/flex-grow'));
+Declaration.hack(require('./hacks/flex-wrap'));
+Declaration.hack(require('./hacks/grid-start'));
+Declaration.hack(require('./hacks/align-self'));
+Declaration.hack(require('./hacks/appearance'));
+Declaration.hack(require('./hacks/flex-basis'));
+Declaration.hack(require('./hacks/mask-border'));
+Declaration.hack(require('./hacks/align-items'));
+Declaration.hack(require('./hacks/flex-shrink'));
+Declaration.hack(require('./hacks/break-props'));
+Declaration.hack(require('./hacks/writing-mode'));
+Declaration.hack(require('./hacks/border-image'));
+Declaration.hack(require('./hacks/align-content'));
+Declaration.hack(require('./hacks/border-radius'));
+Declaration.hack(require('./hacks/block-logical'));
+Declaration.hack(require('./hacks/grid-template'));
+Declaration.hack(require('./hacks/inline-logical'));
+Declaration.hack(require('./hacks/grid-row-align'));
+Declaration.hack(require('./hacks/transform-decl'));
+Declaration.hack(require('./hacks/flex-direction'));
+Declaration.hack(require('./hacks/image-rendering'));
+Declaration.hack(require('./hacks/text-decoration'));
+Declaration.hack(require('./hacks/justify-content'));
+Declaration.hack(require('./hacks/background-size'));
+Declaration.hack(require('./hacks/grid-column-align'));
+Declaration.hack(require('./hacks/text-emphasis-position'));
+
+Value.hack(require('./hacks/gradient'));
+Value.hack(require('./hacks/intrinsic'));
+Value.hack(require('./hacks/pixelated'));
+Value.hack(require('./hacks/image-set'));
+Value.hack(require('./hacks/cross-fade'));
+Value.hack(require('./hacks/flex-values'));
+Value.hack(require('./hacks/display-flex'));
+Value.hack(require('./hacks/display-grid'));
+Value.hack(require('./hacks/filter-value'));
+
+var declsCache = {};
+
+var Prefixes = function () {
+    function Prefixes(data, browsers) {
+        var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+        _classCallCheck(this, Prefixes);
+
+        this.data = data;
+        this.browsers = browsers;
+        this.options = options;
+
+        var _preprocess = this.preprocess(this.select(this.data));
+
+        this.add = _preprocess[0];
+        this.remove = _preprocess[1];
+
+        this.transition = new Transition(this);
+        this.processor = new Processor(this);
+    }
+
+    /**
+     * Return clone instance to remove all prefixes
+     */
+
+
+    Prefixes.prototype.cleaner = function cleaner() {
+        if (this.cleanerCache) {
+            return this.cleanerCache;
+        }
+
+        if (this.browsers.selected.length) {
+            var empty = new Browsers(this.browsers.data, []);
+            this.cleanerCache = new Prefixes(this.data, empty, this.options);
+        } else {
+            return this;
+        }
+
+        return this.cleanerCache;
+    };
+
+    /**
+     * Select prefixes from data, which is necessary for selected browsers
+     */
+
+
+    Prefixes.prototype.select = function select(list) {
+        var _this = this;
+
+        var selected = { add: {}, remove: {} };
+
+        var _loop = function _loop(name) {
+            var data = list[name];
+            var add = data.browsers.map(function (i) {
+                var params = i.split(' ');
+                return {
+                    browser: params[0] + ' ' + params[1],
+                    note: params[2]
+                };
+            });
+
+            var notes = add.filter(function (i) {
+                return i.note;
+            }).map(function (i) {
+                return _this.browsers.prefix(i.browser) + ' ' + i.note;
+            });
+            notes = utils.uniq(notes);
+
+            add = add.filter(function (i) {
+                return _this.browsers.isSelected(i.browser);
+            }).map(function (i) {
+                var prefix = _this.browsers.prefix(i.browser);
+                if (i.note) {
+                    return prefix + ' ' + i.note;
+                } else {
+                    return prefix;
+                }
+            });
+            add = _this.sort(utils.uniq(add));
+
+            if (_this.options.flexbox === 'no-2009') {
+                add = add.filter(function (i) {
+                    return i.indexOf('2009') === -1;
+                });
+            }
+
+            var all = data.browsers.map(function (i) {
+                return _this.browsers.prefix(i);
+            });
+            if (data.mistakes) {
+                all = all.concat(data.mistakes);
+            }
+            all = all.concat(notes);
+            all = utils.uniq(all);
+
+            if (add.length) {
+                selected.add[name] = add;
+                if (add.length < all.length) {
+                    selected.remove[name] = all.filter(function (i) {
+                        return add.indexOf(i) === -1;
+                    });
+                }
+            } else {
+                selected.remove[name] = all;
+            }
+        };
+
+        for (var name in list) {
+            _loop(name);
+        }
+
+        return selected;
+    };
+
+    /**
+     * Sort vendor prefixes
+     */
+
+
+    Prefixes.prototype.sort = function sort(prefixes) {
+        return prefixes.sort(function (a, b) {
+            var aLength = utils.removeNote(a).length;
+            var bLength = utils.removeNote(b).length;
+
+            if (aLength === bLength) {
+                return b.length - a.length;
+            } else {
+                return bLength - aLength;
+            }
+        });
+    };
+
+    /**
+     * Cache prefixes data to fast CSS processing
+     */
+
+
+    Prefixes.prototype.preprocess = function preprocess(selected) {
+        var add = {
+            'selectors': [],
+            '@supports': new Supports(Prefixes, this)
+        };
+        for (var name in selected.add) {
+            var prefixes = selected.add[name];
+            if (name === '@keyframes' || name === '@viewport') {
+                add[name] = new AtRule(name, prefixes, this);
+            } else if (name === '@resolution') {
+                add[name] = new Resolution(name, prefixes, this);
+            } else if (this.data[name].selector) {
+                add.selectors.push(Selector.load(name, prefixes, this));
+            } else {
+                var props = this.data[name].props;
+
+                if (props) {
+                    var value = Value.load(name, prefixes, this);
+                    for (var _iterator = props, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+                        var _ref;
+
+                        if (_isArray) {
+                            if (_i >= _iterator.length) break;
+                            _ref = _iterator[_i++];
+                        } else {
+                            _i = _iterator.next();
+                            if (_i.done) break;
+                            _ref = _i.value;
+                        }
+
+                        var prop = _ref;
+
+                        if (!add[prop]) {
+                            add[prop] = { values: [] };
+                        }
+                        add[prop].values.push(value);
+                    }
+                } else {
+                    var values = add[name] && add[name].values || [];
+                    add[name] = Declaration.load(name, prefixes, this);
+                    add[name].values = values;
+                }
+            }
+        }
+
+        var remove = { selectors: [] };
+        for (var _name in selected.remove) {
+            var _prefixes = selected.remove[_name];
+            if (this.data[_name].selector) {
+                var selector = Selector.load(_name, _prefixes);
+                for (var _iterator2 = _prefixes, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+                    var _ref2;
+
+                    if (_isArray2) {
+                        if (_i2 >= _iterator2.length) break;
+                        _ref2 = _iterator2[_i2++];
+                    } else {
+                        _i2 = _iterator2.next();
+                        if (_i2.done) break;
+                        _ref2 = _i2.value;
+                    }
+
+                    var prefix = _ref2;
+
+                    remove.selectors.push(selector.old(prefix));
+                }
+            } else if (_name === '@keyframes' || _name === '@viewport') {
+                for (var _iterator3 = _prefixes, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
+                    var _ref3;
+
+                    if (_isArray3) {
+                        if (_i3 >= _iterator3.length) break;
+                        _ref3 = _iterator3[_i3++];
+                    } else {
+                        _i3 = _iterator3.next();
+                        if (_i3.done) break;
+                        _ref3 = _i3.value;
+                    }
+
+                    var _prefix = _ref3;
+
+                    var prefixed = '@' + _prefix + _name.slice(1);
+                    remove[prefixed] = { remove: true };
+                }
+            } else if (_name === '@resolution') {
+                remove[_name] = new Resolution(_name, _prefixes, this);
+            } else {
+                var _props = this.data[_name].props;
+                if (_props) {
+                    var _value = Value.load(_name, [], this);
+                    for (var _iterator4 = _prefixes, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) {
+                        var _ref4;
+
+                        if (_isArray4) {
+                            if (_i4 >= _iterator4.length) break;
+                            _ref4 = _iterator4[_i4++];
+                        } else {
+                            _i4 = _iterator4.next();
+                            if (_i4.done) break;
+                            _ref4 = _i4.value;
+                        }
+
+                        var _prefix2 = _ref4;
+
+                        var old = _value.old(_prefix2);
+                        if (old) {
+                            for (var _iterator5 = _props, _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : _iterator5[Symbol.iterator]();;) {
+                                var _ref5;
+
+                                if (_isArray5) {
+                                    if (_i5 >= _iterator5.length) break;
+                                    _ref5 = _iterator5[_i5++];
+                                } else {
+                                    _i5 = _iterator5.next();
+                                    if (_i5.done) break;
+                                    _ref5 = _i5.value;
+                                }
+
+                                var _prop = _ref5;
+
+                                if (!remove[_prop]) {
+                                    remove[_prop] = {};
+                                }
+                                if (!remove[_prop].values) {
+                                    remove[_prop].values = [];
+                                }
+                                remove[_prop].values.push(old);
+                            }
+                        }
+                    }
+                } else {
+                    for (var _iterator6 = _prefixes, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) {
+                        var _ref6;
+
+                        if (_isArray6) {
+                            if (_i6 >= _iterator6.length) break;
+                            _ref6 = _iterator6[_i6++];
+                        } else {
+                            _i6 = _iterator6.next();
+                            if (_i6.done) break;
+                            _ref6 = _i6.value;
+                        }
+
+                        var _prefix3 = _ref6;
+
+                        var olds = this.decl(_name).old(_name, _prefix3);
+                        if (_name === 'align-self') {
+                            var a = add[_name] && add[_name].prefixes;
+                            if (a) {
+                                if (_prefix3 === '-webkit- 2009' && a.indexOf('-webkit-') !== -1) {
+                                    continue;
+                                } else if (_prefix3 === '-webkit-' && a.indexOf('-webkit- 2009') !== -1) {
+                                    continue;
+                                }
+                            }
+                        }
+                        for (var _iterator7 = olds, _isArray7 = Array.isArray(_iterator7), _i7 = 0, _iterator7 = _isArray7 ? _iterator7 : _iterator7[Symbol.iterator]();;) {
+                            var _ref7;
+
+                            if (_isArray7) {
+                                if (_i7 >= _iterator7.length) break;
+                                _ref7 = _iterator7[_i7++];
+                            } else {
+                                _i7 = _iterator7.next();
+                                if (_i7.done) break;
+                                _ref7 = _i7.value;
+                            }
+
+                            var _prefixed = _ref7;
+
+                            if (!remove[_prefixed]) {
+                                remove[_prefixed] = {};
+                            }
+                            remove[_prefixed].remove = true;
+                        }
+                    }
+                }
+            }
+        }
+
+        return [add, remove];
+    };
+
+    /**
+     * Declaration loader with caching
+     */
+
+
+    Prefixes.prototype.decl = function decl(prop) {
+        var decl = declsCache[prop];
+
+        if (decl) {
+            return decl;
+        } else {
+            declsCache[prop] = Declaration.load(prop);
+            return declsCache[prop];
+        }
+    };
+
+    /**
+     * Return unprefixed version of property
+     */
+
+
+    Prefixes.prototype.unprefixed = function unprefixed(prop) {
+        var value = this.normalize(vendor.unprefixed(prop));
+        if (value === 'flex-direction') {
+            value = 'flex-flow';
+        }
+        return value;
+    };
+
+    /**
+     * Normalize prefix for remover
+     */
+
+
+    Prefixes.prototype.normalize = function normalize(prop) {
+        return this.decl(prop).normalize(prop);
+    };
+
+    /**
+     * Return prefixed version of property
+     */
+
+
+    Prefixes.prototype.prefixed = function prefixed(prop, prefix) {
+        prop = vendor.unprefixed(prop);
+        return this.decl(prop).prefixed(prop, prefix);
+    };
+
+    /**
+     * Return values, which must be prefixed in selected property
+     */
+
+
+    Prefixes.prototype.values = function values(type, prop) {
+        var data = this[type];
+
+        var global = data['*'] && data['*'].values;
+        var values = data[prop] && data[prop].values;
+
+        if (global && values) {
+            return utils.uniq(global.concat(values));
+        } else {
+            return global || values || [];
+        }
+    };
+
+    /**
+     * Group declaration by unprefixed property to check them
+     */
+
+
+    Prefixes.prototype.group = function group(decl) {
+        var _this2 = this;
+
+        var rule = decl.parent;
+        var index = rule.index(decl);
+        var length = rule.nodes.length;
+
+        var unprefixed = this.unprefixed(decl.prop);
+
+        var checker = function checker(step, callback) {
+            index += step;
+            while (index >= 0 && index < length) {
+                var other = rule.nodes[index];
+                if (other.type === 'decl') {
+
+                    if (step === -1 && other.prop === unprefixed) {
+                        if (!Browsers.withPrefix(other.value)) {
+                            break;
+                        }
+                    }
+
+                    if (_this2.unprefixed(other.prop) !== unprefixed) {
+                        break;
+                    } else if (callback(other) === true) {
+                        return true;
+                    }
+
+                    if (step === +1 && other.prop === unprefixed) {
+                        if (!Browsers.withPrefix(other.value)) {
+                            break;
+                        }
+                    }
+                }
+
+                index += step;
+            }
+            return false;
+        };
+
+        return {
+            up: function up(callback) {
+                return checker(-1, callback);
+            },
+            down: function down(callback) {
+                return checker(+1, callback);
+            }
+        };
+    };
+
+    return Prefixes;
+}();
+
+module.exports = Prefixes;

static/js/ketcher2/node_modules/autoprefixer/lib/processor.js

@@ -0,0 +1,457 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Value = require('./value');
+
+var OLD_LINEAR = /(^|[^-])linear-gradient\(\s*(top|left|right|bottom)/i;
+var OLD_RADIAL = /(^|[^-])radial-gradient\(\s*\d+(\w*|%)\s+\d+(\w*|%)\s*,/i;
+
+var SIZES = ['width', 'height', 'min-width', 'max-width', 'min-height', 'max-height', 'inline-size', 'min-inline-size', 'max-inline-size', 'block-size', 'min-block-size', 'max-block-size'];
+
+var Processor = function () {
+    function Processor(prefixes) {
+        _classCallCheck(this, Processor);
+
+        this.prefixes = prefixes;
+    }
+
+    /**
+     * Add necessary prefixes
+     */
+
+
+    Processor.prototype.add = function add(css, result) {
+        var _this = this;
+
+        // At-rules
+        var resolution = this.prefixes.add['@resolution'];
+        var keyframes = this.prefixes.add['@keyframes'];
+        var viewport = this.prefixes.add['@viewport'];
+        var supports = this.prefixes.add['@supports'];
+
+        css.walkAtRules(function (rule) {
+            if (rule.name === 'keyframes') {
+                if (!_this.disabled(rule, result)) {
+                    return keyframes && keyframes.process(rule);
+                }
+            } else if (rule.name === 'viewport') {
+                if (!_this.disabled(rule, result)) {
+                    return viewport && viewport.process(rule);
+                }
+            } else if (rule.name === 'supports') {
+                if (_this.prefixes.options.supports !== false && !_this.disabled(rule, result)) {
+                    return supports.process(rule);
+                }
+            } else if (rule.name === 'media' && rule.params.indexOf('-resolution') !== -1) {
+                if (!_this.disabled(rule, result)) {
+                    return resolution && resolution.process(rule);
+                }
+            }
+
+            return undefined;
+        });
+
+        // Selectors
+        css.walkRules(function (rule) {
+            if (_this.disabled(rule, result)) return undefined;
+
+            return _this.prefixes.add.selectors.map(function (selector) {
+                return selector.process(rule, result);
+            });
+        });
+
+        css.walkDecls(function (decl) {
+            if (_this.disabledDecl(decl, result)) return undefined;
+
+            if (decl.prop === 'display' && decl.value === 'box') {
+                result.warn('You should write display: flex by final spec ' + 'instead of display: box', { node: decl });
+                return undefined;
+            }
+            if (decl.value.indexOf('linear-gradient') !== -1) {
+                if (OLD_LINEAR.test(decl.value)) {
+                    result.warn('Gradient has outdated direction syntax. ' + 'New syntax is like `to left` instead of `right`.', { node: decl });
+                }
+            }
+            if (decl.value.indexOf('radial-gradient') !== -1) {
+                if (OLD_RADIAL.test(decl.value)) {
+                    result.warn('Gradient has outdated direction syntax. ' + 'New syntax is like `closest-side at 0 0` ' + 'instead of `0 0, closest-side`.', { node: decl });
+                }
+            }
+            if (decl.prop === 'text-emphasis-position') {
+                if (decl.value === 'under' || decl.value === 'over') {
+                    result.warn('You should use 2 values for text-emphasis-position ' + 'For example, `under left` instead of just `under`.', { node: decl });
+                }
+            }
+
+            if (SIZES.indexOf(decl.prop) !== -1) {
+                if (decl.value.indexOf('fill-available') !== -1) {
+                    result.warn('Replace fill-available to stretch, ' + 'because spec had been changed', { node: decl });
+                } else if (decl.value.indexOf('fill') !== -1) {
+                    result.warn('Replace fill to stretch, ' + 'because spec had been changed', { node: decl });
+                }
+            }
+
+            if (_this.prefixes.options.flexbox !== false) {
+                if (decl.prop === 'grid-row-end' && decl.value.indexOf('span') === -1) {
+                    result.warn('IE supports only grid-row-end with span. ' + 'You should add grid: false option to Autoprefixer ' + 'and use some JS grid polyfill for full spec support', { node: decl });
+                }
+                if (decl.prop === 'grid-row') {
+                    if (decl.value.indexOf('/') !== -1 && decl.value.indexOf('span') === -1) {
+                        result.warn('IE supports only grid-row with / and span. ' + 'You should add grid: false option ' + 'to Autoprefixer and use some JS grid polyfill ' + 'for full spec support', { node: decl });
+                    }
+                }
+            }
+
+            var prefixer = void 0;
+
+            if (decl.prop === 'transition' || decl.prop === 'transition-property') {
+                // Transition
+                return _this.prefixes.transition.add(decl, result);
+            } else if (decl.prop === 'align-self') {
+                // align-self flexbox or grid
+                var display = _this.displayType(decl);
+                if (display !== 'grid' && _this.prefixes.options.flexbox !== false) {
+                    prefixer = _this.prefixes.add['align-self'];
+                    if (prefixer && prefixer.prefixes) {
+                        prefixer.process(decl);
+                    }
+                }
+                if (display !== 'flex' && _this.prefixes.options.grid !== false) {
+                    prefixer = _this.prefixes.add['grid-row-align'];
+                    if (prefixer && prefixer.prefixes) {
+                        return prefixer.process(decl);
+                    }
+                }
+            } else if (decl.prop === 'justify-self') {
+                // justify-self flexbox or grid
+                var _display = _this.displayType(decl);
+                if (_display !== 'flex' && _this.prefixes.options.grid !== false) {
+                    prefixer = _this.prefixes.add['grid-column-align'];
+                    if (prefixer && prefixer.prefixes) {
+                        return prefixer.process(decl);
+                    }
+                }
+            } else {
+                // Properties
+                prefixer = _this.prefixes.add[decl.prop];
+                if (prefixer && prefixer.prefixes) {
+                    return prefixer.process(decl);
+                }
+            }
+
+            return undefined;
+        });
+
+        // Values
+        return css.walkDecls(function (decl) {
+            if (_this.disabledValue(decl, result)) return;
+
+            var unprefixed = _this.prefixes.unprefixed(decl.prop);
+            for (var _iterator = _this.prefixes.values('add', unprefixed), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+                var _ref;
+
+                if (_isArray) {
+                    if (_i >= _iterator.length) break;
+                    _ref = _iterator[_i++];
+                } else {
+                    _i = _iterator.next();
+                    if (_i.done) break;
+                    _ref = _i.value;
+                }
+
+                var value = _ref;
+
+                value.process(decl, result);
+            }
+            Value.save(_this.prefixes, decl);
+        });
+    };
+
+    /**
+     * Remove unnecessary pefixes
+     */
+
+
+    Processor.prototype.remove = function remove(css, result) {
+        var _this2 = this;
+
+        // At-rules
+        var resolution = this.prefixes.remove['@resolution'];
+
+        css.walkAtRules(function (rule, i) {
+            if (_this2.prefixes.remove['@' + rule.name]) {
+                if (!_this2.disabled(rule, result)) {
+                    rule.parent.removeChild(i);
+                }
+            } else if (rule.name === 'media' && rule.params.indexOf('-resolution') !== -1 && resolution) {
+                resolution.clean(rule);
+            }
+        });
+
+        // Selectors
+
+        var _loop = function _loop(checker) {
+            css.walkRules(function (rule, i) {
+                if (checker.check(rule)) {
+                    if (!_this2.disabled(rule, result)) {
+                        rule.parent.removeChild(i);
+                    }
+                }
+            });
+        };
+
+        for (var _iterator2 = this.prefixes.remove.selectors, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+            var _ref2;
+
+            if (_isArray2) {
+                if (_i2 >= _iterator2.length) break;
+                _ref2 = _iterator2[_i2++];
+            } else {
+                _i2 = _iterator2.next();
+                if (_i2.done) break;
+                _ref2 = _i2.value;
+            }
+
+            var checker = _ref2;
+
+            _loop(checker);
+        }
+
+        return css.walkDecls(function (decl, i) {
+            if (_this2.disabled(decl, result)) return;
+
+            var rule = decl.parent;
+            var unprefixed = _this2.prefixes.unprefixed(decl.prop);
+
+            // Transition
+            if (decl.prop === 'transition' || decl.prop === 'transition-property') {
+                _this2.prefixes.transition.remove(decl);
+            }
+
+            // Properties
+            if (_this2.prefixes.remove[decl.prop] && _this2.prefixes.remove[decl.prop].remove) {
+                var notHack = _this2.prefixes.group(decl).down(function (other) {
+                    return _this2.prefixes.normalize(other.prop) === unprefixed;
+                });
+
+                if (unprefixed === 'flex-flow') {
+                    notHack = true;
+                }
+
+                if (notHack && !_this2.withHackValue(decl)) {
+                    if (decl.raw('before').indexOf('\n') > -1) {
+                        _this2.reduceSpaces(decl);
+                    }
+                    rule.removeChild(i);
+                    return;
+                }
+            }
+
+            // Values
+            for (var _iterator3 = _this2.prefixes.values('remove', unprefixed), _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
+                var _ref3;
+
+                if (_isArray3) {
+                    if (_i3 >= _iterator3.length) break;
+                    _ref3 = _iterator3[_i3++];
+                } else {
+                    _i3 = _iterator3.next();
+                    if (_i3.done) break;
+                    _ref3 = _i3.value;
+                }
+
+                var checker = _ref3;
+
+                if (!checker.check(decl.value)) {
+                    continue;
+                }
+
+                unprefixed = checker.unprefixed;
+                var _notHack = _this2.prefixes.group(decl).down(function (other) {
+                    return other.value.indexOf(unprefixed) !== -1;
+                });
+
+                if (_notHack) {
+                    rule.removeChild(i);
+                    return;
+                }
+
+                if (checker.clean) {
+                    checker.clean(decl);
+                    return;
+                }
+            }
+        });
+    };
+
+    /**
+     * Some rare old values, which is not in standard
+     */
+
+
+    Processor.prototype.withHackValue = function withHackValue(decl) {
+        return decl.prop === '-webkit-background-clip' && decl.value === 'text';
+    };
+
+    /**
+     * Check for grid/flexbox options.
+     */
+
+
+    Processor.prototype.disabledValue = function disabledValue(node, result) {
+        if (this.prefixes.options.grid === false && node.type === 'decl') {
+            if (node.prop === 'display' && node.value.indexOf('grid') !== -1) {
+                return true;
+            }
+        }
+        if (this.prefixes.options.flexbox === false && node.type === 'decl') {
+            if (node.prop === 'display' && node.value.indexOf('flex') !== -1) {
+                return true;
+            }
+        }
+
+        return this.disabled(node, result);
+    };
+
+    /**
+     * Check for grid/flexbox options.
+     */
+
+
+    Processor.prototype.disabledDecl = function disabledDecl(node, result) {
+        if (this.prefixes.options.grid === false && node.type === 'decl') {
+            if (node.prop.indexOf('grid') !== -1 || node.prop === 'justify-items') {
+                return true;
+            }
+        }
+        if (this.prefixes.options.flexbox === false && node.type === 'decl') {
+            var other = ['order', 'justify-content', 'align-items', 'align-content'];
+            if (node.prop.indexOf('flex') !== -1 || other.indexOf(node.prop) !== -1) {
+                return true;
+            }
+        }
+
+        return this.disabled(node, result);
+    };
+
+    /**
+     * Check for control comment and global options
+     */
+
+
+    Processor.prototype.disabled = function disabled(node, result) {
+        if (node._autoprefixerDisabled !== undefined) {
+            return node._autoprefixerDisabled;
+        }
+
+        if (node.nodes) {
+            var status = undefined;
+            node.each(function (i) {
+                if (i.type !== 'comment') {
+                    return undefined;
+                }
+                if (/(!\s*)?autoprefixer:\s*(off|on)/i.test(i.text)) {
+                    if (typeof status !== 'undefined') {
+                        result.warn('Second Autoprefixer control comment ' + 'was ignored. Autoprefixer applies control ' + 'comment to whole block, not to next rules.', { node: i });
+                    } else {
+                        status = /on/i.test(i.text);
+                    }
+                }
+                return undefined;
+            });
+
+            var value = false;
+            if (status !== undefined) {
+                value = !status;
+            } else if (node.parent) {
+                value = this.disabled(node.parent, result);
+            }
+
+            node._autoprefixerDisabled = value;
+            return node._autoprefixerDisabled;
+        }
+
+        if (node.parent) {
+            node._autoprefixerDisabled = this.disabled(node.parent, result);
+            return node._autoprefixerDisabled;
+        }
+
+        // unknown state
+        return false;
+    };
+
+    /**
+     * Normalize spaces in cascade declaration group
+     */
+
+
+    Processor.prototype.reduceSpaces = function reduceSpaces(decl) {
+        var stop = false;
+        this.prefixes.group(decl).up(function () {
+            stop = true;
+            return true;
+        });
+        if (stop) {
+            return;
+        }
+
+        var parts = decl.raw('before').split('\n');
+        var prevMin = parts[parts.length - 1].length;
+        var diff = false;
+
+        this.prefixes.group(decl).down(function (other) {
+            parts = other.raw('before').split('\n');
+            var last = parts.length - 1;
+
+            if (parts[last].length > prevMin) {
+                if (diff === false) {
+                    diff = parts[last].length - prevMin;
+                }
+
+                parts[last] = parts[last].slice(0, -diff);
+                other.raws.before = parts.join('\n');
+            }
+        });
+    };
+
+    /**
+     * Is it flebox or grid rule
+     */
+
+
+    Processor.prototype.displayType = function displayType(decl) {
+        for (var _iterator4 = decl.parent.nodes, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) {
+            var _ref4;
+
+            if (_isArray4) {
+                if (_i4 >= _iterator4.length) break;
+                _ref4 = _iterator4[_i4++];
+            } else {
+                _i4 = _iterator4.next();
+                if (_i4.done) break;
+                _ref4 = _i4.value;
+            }
+
+            var i = _ref4;
+
+            if (i.prop !== 'display') {
+                continue;
+            }
+
+            if (i.value.indexOf('flex') !== -1) {
+                return 'flex';
+            }
+
+            if (i.value.indexOf('grid') !== -1) {
+                return 'grid';
+            }
+        }
+
+        return false;
+    };
+
+    return Processor;
+}();
+
+module.exports = Processor;

static/js/ketcher2/node_modules/autoprefixer/lib/resolution.js

@@ -0,0 +1,158 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Prefixer = require('./prefixer');
+var utils = require('./utils');
+
+var n2f = require('num2fraction');
+
+var regexp = /(min|max)-resolution\s*:\s*\d*\.?\d+(dppx|dpi)/gi;
+var split = /(min|max)-resolution(\s*:\s*)(\d*\.?\d+)(dppx|dpi)/i;
+
+var Resolution = function (_Prefixer) {
+    _inherits(Resolution, _Prefixer);
+
+    function Resolution() {
+        _classCallCheck(this, Resolution);
+
+        return _possibleConstructorReturn(this, _Prefixer.apply(this, arguments));
+    }
+
+    /**
+     * Return prefixed query name
+     */
+    Resolution.prototype.prefixName = function prefixName(prefix, name) {
+        var newName = prefix === '-moz-' ? name + '--moz-device-pixel-ratio' : prefix + name + '-device-pixel-ratio';
+        return newName;
+    };
+
+    /**
+     * Return prefixed query
+     */
+
+
+    Resolution.prototype.prefixQuery = function prefixQuery(prefix, name, colon, value, units) {
+        if (units === 'dpi') {
+            value = Number(value / 96);
+        }
+        if (prefix === '-o-') {
+            value = n2f(value);
+        }
+        return this.prefixName(prefix, name) + colon + value;
+    };
+
+    /**
+     * Remove prefixed queries
+     */
+
+
+    Resolution.prototype.clean = function clean(rule) {
+        var _this2 = this;
+
+        if (!this.bad) {
+            this.bad = [];
+            for (var _iterator = this.prefixes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+                var _ref;
+
+                if (_isArray) {
+                    if (_i >= _iterator.length) break;
+                    _ref = _iterator[_i++];
+                } else {
+                    _i = _iterator.next();
+                    if (_i.done) break;
+                    _ref = _i.value;
+                }
+
+                var prefix = _ref;
+
+                this.bad.push(this.prefixName(prefix, 'min'));
+                this.bad.push(this.prefixName(prefix, 'max'));
+            }
+        }
+
+        rule.params = utils.editList(rule.params, function (queries) {
+            return queries.filter(function (query) {
+                return _this2.bad.every(function (i) {
+                    return query.indexOf(i) === -1;
+                });
+            });
+        });
+    };
+
+    /**
+     * Add prefixed queries
+     */
+
+
+    Resolution.prototype.process = function process(rule) {
+        var _this3 = this;
+
+        var parent = this.parentPrefix(rule);
+        var prefixes = parent ? [parent] : this.prefixes;
+
+        rule.params = utils.editList(rule.params, function (origin, prefixed) {
+            for (var _iterator2 = origin, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+                var _ref2;
+
+                if (_isArray2) {
+                    if (_i2 >= _iterator2.length) break;
+                    _ref2 = _iterator2[_i2++];
+                } else {
+                    _i2 = _iterator2.next();
+                    if (_i2.done) break;
+                    _ref2 = _i2.value;
+                }
+
+                var query = _ref2;
+
+                if (query.indexOf('min-resolution') === -1 && query.indexOf('max-resolution') === -1) {
+                    prefixed.push(query);
+                    continue;
+                }
+
+                var _loop = function _loop(prefix) {
+                    if (prefix === '-moz-' && rule.params.indexOf('dpi') !== -1) {
+                        return 'continue';
+                    }
+
+                    var processed = query.replace(regexp, function (str) {
+                        var parts = str.match(split);
+                        return _this3.prefixQuery(prefix, parts[1], parts[2], parts[3], parts[4]);
+                    });
+                    prefixed.push(processed);
+                };
+
+                for (var _iterator3 = prefixes, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
+                    var _ref3;
+
+                    if (_isArray3) {
+                        if (_i3 >= _iterator3.length) break;
+                        _ref3 = _iterator3[_i3++];
+                    } else {
+                        _i3 = _iterator3.next();
+                        if (_i3.done) break;
+                        _ref3 = _i3.value;
+                    }
+
+                    var prefix = _ref3;
+
+                    var _ret = _loop(prefix);
+
+                    if (_ret === 'continue') continue;
+                }
+                prefixed.push(query);
+            }
+
+            return utils.uniq(prefixed);
+        });
+    };
+
+    return Resolution;
+}(Prefixer);
+
+module.exports = Resolution;

static/js/ketcher2/node_modules/autoprefixer/lib/selector.js

@@ -0,0 +1,178 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var OldSelector = require('./old-selector');
+var Prefixer = require('./prefixer');
+var Browsers = require('./browsers');
+var utils = require('./utils');
+
+var Selector = function (_Prefixer) {
+    _inherits(Selector, _Prefixer);
+
+    function Selector(name, prefixes, all) {
+        _classCallCheck(this, Selector);
+
+        var _this = _possibleConstructorReturn(this, _Prefixer.call(this, name, prefixes, all));
+
+        _this.regexpCache = {};
+        return _this;
+    }
+
+    /**
+     * Is rule selectors need to be prefixed
+     */
+
+
+    Selector.prototype.check = function check(rule) {
+        if (rule.selector.indexOf(this.name) !== -1) {
+            return !!rule.selector.match(this.regexp());
+        }
+
+        return false;
+    };
+
+    /**
+     * Return prefixed version of selector
+     */
+
+
+    Selector.prototype.prefixed = function prefixed(prefix) {
+        return this.name.replace(/^([^\w]*)/, '$1' + prefix);
+    };
+
+    /**
+     * Lazy loadRegExp for name
+     */
+
+
+    Selector.prototype.regexp = function regexp(prefix) {
+        if (this.regexpCache[prefix]) {
+            return this.regexpCache[prefix];
+        }
+
+        var name = prefix ? this.prefixed(prefix) : this.name;
+        this.regexpCache[prefix] = new RegExp('(^|[^:"\'=])' + utils.escapeRegexp(name), 'gi');
+        return this.regexpCache[prefix];
+    };
+
+    /**
+     * All possible prefixes
+     */
+
+
+    Selector.prototype.possible = function possible() {
+        return Browsers.prefixes();
+    };
+
+    /**
+     * Return all possible selector prefixes
+     */
+
+
+    Selector.prototype.prefixeds = function prefixeds(rule) {
+        if (rule._autoprefixerPrefixeds) {
+            return rule._autoprefixerPrefixeds;
+        }
+
+        var prefixeds = {};
+        for (var _iterator = this.possible(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var prefix = _ref;
+
+            prefixeds[prefix] = this.replace(rule.selector, prefix);
+        }
+
+        rule._autoprefixerPrefixeds = prefixeds;
+        return rule._autoprefixerPrefixeds;
+    };
+
+    /**
+     * Is rule already prefixed before
+     */
+
+
+    Selector.prototype.already = function already(rule, prefixeds, prefix) {
+        var index = rule.parent.index(rule) - 1;
+
+        while (index >= 0) {
+            var before = rule.parent.nodes[index];
+
+            if (before.type !== 'rule') {
+                return false;
+            }
+
+            var some = false;
+            for (var key in prefixeds) {
+                var prefixed = prefixeds[key];
+                if (before.selector === prefixed) {
+                    if (prefix === key) {
+                        return true;
+                    } else {
+                        some = true;
+                        break;
+                    }
+                }
+            }
+            if (!some) {
+                return false;
+            }
+
+            index -= 1;
+        }
+
+        return false;
+    };
+
+    /**
+     * Replace selectors by prefixed one
+     */
+
+
+    Selector.prototype.replace = function replace(selector, prefix) {
+        return selector.replace(this.regexp(), '$1' + this.prefixed(prefix));
+    };
+
+    /**
+     * Clone and add prefixes for at-rule
+     */
+
+
+    Selector.prototype.add = function add(rule, prefix) {
+        var prefixeds = this.prefixeds(rule);
+
+        if (this.already(rule, prefixeds, prefix)) {
+            return;
+        }
+
+        var cloned = this.clone(rule, { selector: prefixeds[prefix] });
+        rule.parent.insertBefore(rule, cloned);
+    };
+
+    /**
+     * Return function to fast find prefixed selector
+     */
+
+
+    Selector.prototype.old = function old(prefix) {
+        return new OldSelector(this, prefix);
+    };
+
+    return Selector;
+}(Prefixer);
+
+module.exports = Selector;

static/js/ketcher2/node_modules/autoprefixer/lib/supports.js

@@ -0,0 +1,380 @@
+'use strict';
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Browsers = require('./browsers');
+var brackets = require('./brackets');
+var Value = require('./value');
+var utils = require('./utils');
+
+var postcss = require('postcss');
+
+var supported = [];
+var data = require('caniuse-lite').feature(require('caniuse-lite/data/features/css-featurequeries.js'));
+for (var browser in data.stats) {
+    var versions = data.stats[browser];
+    for (var version in versions) {
+        var support = versions[version];
+        if (/y/.test(support)) {
+            supported.push(browser + ' ' + version);
+        }
+    }
+}
+
+var Supports = function () {
+    function Supports(Prefixes, all) {
+        _classCallCheck(this, Supports);
+
+        this.Prefixes = Prefixes;
+        this.all = all;
+    }
+
+    /**
+     * Return prefixer only with @supports supported browsers
+     */
+
+
+    Supports.prototype.prefixer = function prefixer() {
+        if (this.prefixerCache) {
+            return this.prefixerCache;
+        }
+
+        var filtered = this.all.browsers.selected.filter(function (i) {
+            return supported.indexOf(i) !== -1;
+        });
+
+        var browsers = new Browsers(this.all.browsers.data, filtered, this.all.options);
+        this.prefixerCache = new this.Prefixes(this.all.data, browsers, this.all.options);
+        return this.prefixerCache;
+    };
+
+    /**
+     * Parse string into declaration property and value
+     */
+
+
+    Supports.prototype.parse = function parse(str) {
+        var _str$split = str.split(':'),
+            prop = _str$split[0],
+            value = _str$split[1];
+
+        if (!value) value = '';
+        return [prop.trim(), value.trim()];
+    };
+
+    /**
+     * Create virtual rule to process it by prefixer
+     */
+
+
+    Supports.prototype.virtual = function virtual(str) {
+        var _parse = this.parse(str),
+            prop = _parse[0],
+            value = _parse[1];
+
+        var rule = postcss.parse('a{}').first;
+        rule.append({ prop: prop, value: value, raws: { before: '' } });
+        return rule;
+    };
+
+    /**
+     * Return array of Declaration with all necessary prefixes
+     */
+
+
+    Supports.prototype.prefixed = function prefixed(str) {
+        var rule = this.virtual(str);
+        if (this.disabled(rule.first)) {
+            return rule.nodes;
+        }
+
+        var prefixer = this.prefixer().add[rule.first.prop];
+        prefixer && prefixer.process && prefixer.process(rule.first);
+
+        for (var _iterator = rule.nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var decl = _ref;
+
+            for (var _iterator2 = this.prefixer().values('add', rule.first.prop), _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+                var _ref2;
+
+                if (_isArray2) {
+                    if (_i2 >= _iterator2.length) break;
+                    _ref2 = _iterator2[_i2++];
+                } else {
+                    _i2 = _iterator2.next();
+                    if (_i2.done) break;
+                    _ref2 = _i2.value;
+                }
+
+                var value = _ref2;
+
+                value.process(decl);
+            }
+            Value.save(this.all, decl);
+        }
+
+        return rule.nodes;
+    };
+
+    /**
+     * Return true if brackets node is "not" word
+     */
+
+
+    Supports.prototype.isNot = function isNot(node) {
+        return typeof node === 'string' && /not\s*/i.test(node);
+    };
+
+    /**
+     * Return true if brackets node is "or" word
+     */
+
+
+    Supports.prototype.isOr = function isOr(node) {
+        return typeof node === 'string' && /\s*or\s*/i.test(node);
+    };
+
+    /**
+     * Return true if brackets node is (prop: value)
+     */
+
+
+    Supports.prototype.isProp = function isProp(node) {
+        return (typeof node === 'undefined' ? 'undefined' : _typeof(node)) === 'object' && node.length === 1 && typeof node[0] === 'string';
+    };
+
+    /**
+     * Return true if prefixed property has no unprefixed
+     */
+
+
+    Supports.prototype.isHack = function isHack(all, unprefixed) {
+        var check = new RegExp('(\\(|\\s)' + utils.escapeRegexp(unprefixed) + ':');
+        return !check.test(all);
+    };
+
+    /**
+     * Return true if we need to remove node
+     */
+
+
+    Supports.prototype.toRemove = function toRemove(str, all) {
+        var _parse2 = this.parse(str),
+            prop = _parse2[0],
+            value = _parse2[1];
+
+        var unprefixed = this.all.unprefixed(prop);
+
+        var cleaner = this.all.cleaner();
+
+        if (cleaner.remove[prop] && cleaner.remove[prop].remove && !this.isHack(all, unprefixed)) {
+            return true;
+        }
+
+        for (var _iterator3 = cleaner.values('remove', unprefixed), _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
+            var _ref3;
+
+            if (_isArray3) {
+                if (_i3 >= _iterator3.length) break;
+                _ref3 = _iterator3[_i3++];
+            } else {
+                _i3 = _iterator3.next();
+                if (_i3.done) break;
+                _ref3 = _i3.value;
+            }
+
+            var checker = _ref3;
+
+            if (checker.check(value)) {
+                return true;
+            }
+        }
+
+        return false;
+    };
+
+    /**
+     * Remove all unnecessary prefixes
+     */
+
+
+    Supports.prototype.remove = function remove(nodes, all) {
+        var i = 0;
+        while (i < nodes.length) {
+            if (!this.isNot(nodes[i - 1]) && this.isProp(nodes[i]) && this.isOr(nodes[i + 1])) {
+                if (this.toRemove(nodes[i][0], all)) {
+                    nodes.splice(i, 2);
+                    continue;
+                }
+
+                i += 2;
+                continue;
+            }
+
+            if (_typeof(nodes[i]) === 'object') {
+                nodes[i] = this.remove(nodes[i], all);
+            }
+
+            i += 1;
+        }
+        return nodes;
+    };
+
+    /**
+     * Clean brackets with one child
+     */
+
+
+    Supports.prototype.cleanBrackets = function cleanBrackets(nodes) {
+        var _this = this;
+
+        return nodes.map(function (i) {
+            if ((typeof i === 'undefined' ? 'undefined' : _typeof(i)) !== 'object') {
+                return i;
+            }
+
+            if (i.length === 1 && _typeof(i[0]) === 'object') {
+                return _this.cleanBrackets(i[0]);
+            }
+
+            return _this.cleanBrackets(i);
+        });
+    };
+
+    /**
+     * Add " or " between properties and convert it to brackets format
+     */
+
+
+    Supports.prototype.convert = function convert(progress) {
+        var result = [''];
+        for (var _iterator4 = progress, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) {
+            var _ref4;
+
+            if (_isArray4) {
+                if (_i4 >= _iterator4.length) break;
+                _ref4 = _iterator4[_i4++];
+            } else {
+                _i4 = _iterator4.next();
+                if (_i4.done) break;
+                _ref4 = _i4.value;
+            }
+
+            var i = _ref4;
+
+            result.push([i.prop + ': ' + i.value]);
+            result.push(' or ');
+        }
+        result[result.length - 1] = '';
+        return result;
+    };
+
+    /**
+     * Compress value functions into a string nodes
+     */
+
+
+    Supports.prototype.normalize = function normalize(nodes) {
+        var _this2 = this;
+
+        if ((typeof nodes === 'undefined' ? 'undefined' : _typeof(nodes)) !== 'object') {
+            return nodes;
+        }
+
+        nodes = nodes.filter(function (i) {
+            return i !== '';
+        });
+        if (typeof nodes[0] === 'string' && nodes[0].indexOf(':') !== -1) {
+            return [brackets.stringify(nodes)];
+        }
+
+        return nodes.map(function (i) {
+            return _this2.normalize(i);
+        });
+    };
+
+    /**
+     * Add prefixes
+     */
+
+
+    Supports.prototype.add = function add(nodes, all) {
+        var _this3 = this;
+
+        return nodes.map(function (i) {
+            if (_this3.isProp(i)) {
+                var prefixed = _this3.prefixed(i[0]);
+                if (prefixed.length > 1) {
+                    return _this3.convert(prefixed);
+                }
+
+                return i;
+            }
+
+            if ((typeof i === 'undefined' ? 'undefined' : _typeof(i)) === 'object') {
+                return _this3.add(i, all);
+            }
+
+            return i;
+        });
+    };
+
+    /**
+     * Add prefixed declaration
+     */
+
+
+    Supports.prototype.process = function process(rule) {
+        var ast = brackets.parse(rule.params);
+        ast = this.normalize(ast);
+        ast = this.remove(ast, rule.params);
+        ast = this.add(ast, rule.params);
+        ast = this.cleanBrackets(ast);
+        rule.params = brackets.stringify(ast);
+    };
+
+    /**
+     * Check global options
+     */
+
+
+    Supports.prototype.disabled = function disabled(node) {
+        if (this.all.options.grid === false) {
+            if (node.prop === 'display' && node.value.indexOf('grid') !== -1) {
+                return true;
+            }
+            if (node.prop.indexOf('grid') !== -1 || node.prop === 'justify-items') {
+                return true;
+            }
+        }
+
+        if (this.all.options.flexbox === false) {
+            if (node.prop === 'display' && node.value.indexOf('flex') !== -1) {
+                return true;
+            }
+            var other = ['order', 'justify-content', 'align-items', 'align-content'];
+            if (node.prop.indexOf('flex') !== -1 || other.indexOf(node.prop) !== -1) {
+                return true;
+            }
+        }
+
+        return false;
+    };
+
+    return Supports;
+}();
+
+module.exports = Supports;

static/js/ketcher2/node_modules/autoprefixer/lib/transition.js

@@ -0,0 +1,449 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var parser = require('postcss-value-parser');
+var vendor = require('postcss/lib/vendor');
+var list = require('postcss/lib/list');
+
+var Transition = function () {
+    function Transition(prefixes) {
+        _classCallCheck(this, Transition);
+
+        Object.defineProperty(this, 'props', {
+            enumerable: true,
+            writable: true,
+            value: ['transition', 'transition-property']
+        });
+
+        this.prefixes = prefixes;
+    }
+
+    /**
+     * Process transition and add prefies for all necessary properties
+     */
+
+
+    Transition.prototype.add = function add(decl, result) {
+        var _this = this;
+
+        var prefix = void 0,
+            prop = void 0;
+        var declPrefixes = this.prefixes.add[decl.prop] && this.prefixes.add[decl.prop].prefixes || [];
+
+        var params = this.parse(decl.value);
+        var names = params.map(function (i) {
+            return _this.findProp(i);
+        });
+        var added = [];
+
+        if (names.some(function (i) {
+            return i[0] === '-';
+        })) {
+            return;
+        }
+
+        for (var _iterator = params, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var param = _ref;
+
+            prop = this.findProp(param);
+            if (prop[0] === '-') {
+                continue;
+            }
+            var prefixer = this.prefixes.add[prop];
+            if (!prefixer || !prefixer.prefixes) {
+                continue;
+            }
+
+            for (var _iterator3 = prefixer.prefixes, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
+                if (_isArray3) {
+                    if (_i3 >= _iterator3.length) break;
+                    prefix = _iterator3[_i3++];
+                } else {
+                    _i3 = _iterator3.next();
+                    if (_i3.done) break;
+                    prefix = _i3.value;
+                }
+
+                var prefixed = this.prefixes.prefixed(prop, prefix);
+                if (prefixed !== '-ms-transform' && names.indexOf(prefixed) === -1) {
+                    if (!this.disabled(prop, prefix)) {
+                        added.push(this.clone(prop, prefixed, param));
+                    }
+                }
+            }
+        }
+
+        params = params.concat(added);
+        var value = this.stringify(params);
+
+        var webkitClean = this.stringify(this.cleanFromUnprefixed(params, '-webkit-'));
+        if (declPrefixes.indexOf('-webkit-') !== -1) {
+            this.cloneBefore(decl, '-webkit-' + decl.prop, webkitClean);
+        }
+        this.cloneBefore(decl, decl.prop, webkitClean);
+        if (declPrefixes.indexOf('-o-') !== -1) {
+            var operaClean = this.stringify(this.cleanFromUnprefixed(params, '-o-'));
+            this.cloneBefore(decl, '-o-' + decl.prop, operaClean);
+        }
+
+        for (var _iterator2 = declPrefixes, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+            if (_isArray2) {
+                if (_i2 >= _iterator2.length) break;
+                prefix = _iterator2[_i2++];
+            } else {
+                _i2 = _iterator2.next();
+                if (_i2.done) break;
+                prefix = _i2.value;
+            }
+
+            if (prefix !== '-webkit-' && prefix !== '-o-') {
+                var prefixValue = this.stringify(this.cleanOtherPrefixes(params, prefix));
+                this.cloneBefore(decl, prefix + decl.prop, prefixValue);
+            }
+        }
+
+        if (value !== decl.value && !this.already(decl, decl.prop, value)) {
+            this.checkForWarning(result, decl);
+            decl.cloneBefore();
+            decl.value = value;
+        }
+    };
+
+    /**
+     * Find property name
+     */
+
+
+    Transition.prototype.findProp = function findProp(param) {
+        var prop = param[0].value;
+        if (/^\d/.test(prop)) {
+            for (var i = 0; i < param.length; i++) {
+                var token = param[i];
+                if (i !== 0 && token.type === 'word') {
+                    return token.value;
+                }
+            }
+        }
+        return prop;
+    };
+
+    /**
+     * Does we aready have this declaration
+     */
+
+
+    Transition.prototype.already = function already(decl, prop, value) {
+        return decl.parent.some(function (i) {
+            return i.prop === prop && i.value === value;
+        });
+    };
+
+    /**
+     * Add declaration if it is not exist
+     */
+
+
+    Transition.prototype.cloneBefore = function cloneBefore(decl, prop, value) {
+        if (!this.already(decl, prop, value)) {
+            decl.cloneBefore({ prop: prop, value: value });
+        }
+    };
+
+    /**
+     * Show transition-property warning
+     */
+
+
+    Transition.prototype.checkForWarning = function checkForWarning(result, decl) {
+        if (decl.prop !== 'transition-property') {
+            return;
+        }
+
+        decl.parent.each(function (i) {
+            if (i.type !== 'decl') {
+                return undefined;
+            }
+            if (i.prop.indexOf('transition-') !== 0) {
+                return undefined;
+            }
+            if (i.prop === 'transition-property') {
+                return undefined;
+            }
+
+            if (list.comma(i.value).length > 1) {
+                decl.warn(result, 'Replace transition-property to transition, ' + 'because Autoprefixer could not support ' + 'any cases of transition-property ' + 'and other transition-*');
+            }
+            return false;
+        });
+    };
+
+    /**
+     * Process transition and remove all unnecessary properties
+     */
+
+
+    Transition.prototype.remove = function remove(decl) {
+        var _this2 = this;
+
+        var params = this.parse(decl.value);
+        params = params.filter(function (i) {
+            var prop = _this2.prefixes.remove[_this2.findProp(i)];
+            return !prop || !prop.remove;
+        });
+        var value = this.stringify(params);
+
+        if (decl.value === value) {
+            return;
+        }
+
+        if (params.length === 0) {
+            decl.remove();
+            return;
+        }
+
+        var double = decl.parent.some(function (i) {
+            return i.prop === decl.prop && i.value === value;
+        });
+        var smaller = decl.parent.some(function (i) {
+            return i !== decl && i.prop === decl.prop && i.value.length > value.length;
+        });
+
+        if (double || smaller) {
+            decl.remove();
+            return;
+        }
+
+        decl.value = value;
+    };
+
+    /**
+     * Parse properties list to array
+     */
+
+
+    Transition.prototype.parse = function parse(value) {
+        var ast = parser(value);
+        var result = [];
+        var param = [];
+        for (var _iterator4 = ast.nodes, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) {
+            var _ref2;
+
+            if (_isArray4) {
+                if (_i4 >= _iterator4.length) break;
+                _ref2 = _iterator4[_i4++];
+            } else {
+                _i4 = _iterator4.next();
+                if (_i4.done) break;
+                _ref2 = _i4.value;
+            }
+
+            var node = _ref2;
+
+            param.push(node);
+            if (node.type === 'div' && node.value === ',') {
+                result.push(param);
+                param = [];
+            }
+        }
+        result.push(param);
+        return result.filter(function (i) {
+            return i.length > 0;
+        });
+    };
+
+    /**
+     * Return properties string from array
+     */
+
+
+    Transition.prototype.stringify = function stringify(params) {
+        if (params.length === 0) {
+            return '';
+        }
+        var nodes = [];
+        for (var _iterator5 = params, _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : _iterator5[Symbol.iterator]();;) {
+            var _ref3;
+
+            if (_isArray5) {
+                if (_i5 >= _iterator5.length) break;
+                _ref3 = _iterator5[_i5++];
+            } else {
+                _i5 = _iterator5.next();
+                if (_i5.done) break;
+                _ref3 = _i5.value;
+            }
+
+            var param = _ref3;
+
+            if (param[param.length - 1].type !== 'div') {
+                param.push(this.div(params));
+            }
+            nodes = nodes.concat(param);
+        }
+        if (nodes[0].type === 'div') {
+            nodes = nodes.slice(1);
+        }
+        if (nodes[nodes.length - 1].type === 'div') {
+            nodes = nodes.slice(0, +-2 + 1 || undefined);
+        }
+        return parser.stringify({ nodes: nodes });
+    };
+
+    /**
+     * Return new param array with different name
+     */
+
+
+    Transition.prototype.clone = function clone(origin, name, param) {
+        var result = [];
+        var changed = false;
+        for (var _iterator6 = param, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) {
+            var _ref4;
+
+            if (_isArray6) {
+                if (_i6 >= _iterator6.length) break;
+                _ref4 = _iterator6[_i6++];
+            } else {
+                _i6 = _iterator6.next();
+                if (_i6.done) break;
+                _ref4 = _i6.value;
+            }
+
+            var i = _ref4;
+
+            if (!changed && i.type === 'word' && i.value === origin) {
+                result.push({ type: 'word', value: name });
+                changed = true;
+            } else {
+                result.push(i);
+            }
+        }
+        return result;
+    };
+
+    /**
+     * Find or create seperator
+     */
+
+
+    Transition.prototype.div = function div(params) {
+        for (var _iterator7 = params, _isArray7 = Array.isArray(_iterator7), _i7 = 0, _iterator7 = _isArray7 ? _iterator7 : _iterator7[Symbol.iterator]();;) {
+            var _ref5;
+
+            if (_isArray7) {
+                if (_i7 >= _iterator7.length) break;
+                _ref5 = _iterator7[_i7++];
+            } else {
+                _i7 = _iterator7.next();
+                if (_i7.done) break;
+                _ref5 = _i7.value;
+            }
+
+            var param = _ref5;
+
+            for (var _iterator8 = param, _isArray8 = Array.isArray(_iterator8), _i8 = 0, _iterator8 = _isArray8 ? _iterator8 : _iterator8[Symbol.iterator]();;) {
+                var _ref6;
+
+                if (_isArray8) {
+                    if (_i8 >= _iterator8.length) break;
+                    _ref6 = _iterator8[_i8++];
+                } else {
+                    _i8 = _iterator8.next();
+                    if (_i8.done) break;
+                    _ref6 = _i8.value;
+                }
+
+                var node = _ref6;
+
+                if (node.type === 'div' && node.value === ',') {
+                    return node;
+                }
+            }
+        }
+        return { type: 'div', value: ',', after: ' ' };
+    };
+
+    Transition.prototype.cleanOtherPrefixes = function cleanOtherPrefixes(params, prefix) {
+        var _this3 = this;
+
+        return params.filter(function (param) {
+            var current = vendor.prefix(_this3.findProp(param));
+            return current === '' || current === prefix;
+        });
+    };
+
+    /**
+     * Remove all non-webkit prefixes and unprefixed params if we have prefixed
+     */
+
+
+    Transition.prototype.cleanFromUnprefixed = function cleanFromUnprefixed(params, prefix) {
+        var _this4 = this;
+
+        var remove = params.map(function (i) {
+            return _this4.findProp(i);
+        }).filter(function (i) {
+            return i.slice(0, prefix.length) === prefix;
+        }).map(function (i) {
+            return _this4.prefixes.unprefixed(i);
+        });
+
+        var result = [];
+        for (var _iterator9 = params, _isArray9 = Array.isArray(_iterator9), _i9 = 0, _iterator9 = _isArray9 ? _iterator9 : _iterator9[Symbol.iterator]();;) {
+            var _ref7;
+
+            if (_isArray9) {
+                if (_i9 >= _iterator9.length) break;
+                _ref7 = _iterator9[_i9++];
+            } else {
+                _i9 = _iterator9.next();
+                if (_i9.done) break;
+                _ref7 = _i9.value;
+            }
+
+            var param = _ref7;
+
+            var prop = this.findProp(param);
+            var p = vendor.prefix(prop);
+            if (remove.indexOf(prop) === -1 && (p === prefix || p === '')) {
+                result.push(param);
+            }
+        }
+        return result;
+    };
+
+    /**
+     * Check property for disabled by option
+     */
+
+
+    Transition.prototype.disabled = function disabled(prop, prefix) {
+        var other = ['order', 'justify-content', 'align-self', 'align-content'];
+        if (prop.indexOf('flex') !== -1 || other.indexOf(prop) !== -1) {
+            if (this.prefixes.options.flexbox === false) {
+                return true;
+            }
+
+            if (this.prefixes.options.flexbox === 'no-2009') {
+                return prefix.indexOf('2009') !== -1;
+            }
+        }
+        return undefined;
+    };
+
+    return Transition;
+}();
+
+module.exports = Transition;

static/js/ketcher2/node_modules/autoprefixer/lib/utils.js

@@ -0,0 +1,93 @@
+'use strict';
+
+var list = require('postcss/lib/list');
+
+module.exports = {
+
+    /**
+     * Throw special error, to tell beniary,
+     * that this error is from Autoprefixer.
+     */
+    error: function error(text) {
+        var err = new Error(text);
+        err.autoprefixer = true;
+        throw err;
+    },
+
+
+    /**
+     * Return array, that doesn’t contain duplicates.
+     */
+    uniq: function uniq(array) {
+        var filtered = [];
+        for (var _iterator = array, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var i = _ref;
+
+            if (filtered.indexOf(i) === -1) {
+                filtered.push(i);
+            }
+        }
+        return filtered;
+    },
+
+
+    /**
+     * Return "-webkit-" on "-webkit- old"
+     */
+    removeNote: function removeNote(string) {
+        if (string.indexOf(' ') === -1) {
+            return string;
+        }
+
+        return string.split(' ')[0];
+    },
+
+
+    /**
+     * Escape RegExp symbols
+     */
+    escapeRegexp: function escapeRegexp(string) {
+        return string.replace(/[.?*+\^\$\[\]\\(){}|\-]/g, '\\$&');
+    },
+
+
+    /**
+     * Return regexp to check, that CSS string contain word
+     */
+    regexp: function regexp(word) {
+        var escape = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
+
+        if (escape) {
+            word = this.escapeRegexp(word);
+        }
+        return new RegExp('(^|[\\s,(])(' + word + '($|[\\s(,]))', 'gi');
+    },
+
+
+    /**
+     * Change comma list
+     */
+    editList: function editList(value, callback) {
+        var origin = list.comma(value);
+        var changed = callback(origin, []);
+
+        if (origin === changed) {
+            return value;
+        }
+
+        var join = value.match(/,\s*/);
+        join = join ? join[0] : ', ';
+        return changed.join(join);
+    }
+};

static/js/ketcher2/node_modules/autoprefixer/lib/value.js

@@ -0,0 +1,161 @@
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
+
+var Prefixer = require('./prefixer');
+var OldValue = require('./old-value');
+var utils = require('./utils');
+
+var vendor = require('postcss/lib/vendor');
+
+var Value = function (_Prefixer) {
+    _inherits(Value, _Prefixer);
+
+    function Value() {
+        _classCallCheck(this, Value);
+
+        return _possibleConstructorReturn(this, _Prefixer.apply(this, arguments));
+    }
+
+    /**
+     * Clone decl for each prefixed values
+     */
+    Value.save = function save(prefixes, decl) {
+        var _this2 = this;
+
+        var prop = decl.prop;
+        var result = [];
+
+        var _loop = function _loop(prefix) {
+            var value = decl._autoprefixerValues[prefix];
+
+            if (value === decl.value) {
+                return 'continue';
+            }
+
+            var item = void 0;
+            var propPrefix = vendor.prefix(prop);
+
+            if (propPrefix === '-pie-') {
+                return 'continue';
+            }
+
+            if (propPrefix === prefix) {
+                item = decl.value = value;
+                result.push(item);
+                return 'continue';
+            }
+
+            var prefixed = prefixes.prefixed(prop, prefix);
+            var rule = decl.parent;
+
+            if (!rule.every(function (i) {
+                return i.prop !== prefixed;
+            })) {
+                result.push(item);
+                return 'continue';
+            }
+
+            var trimmed = value.replace(/\s+/, ' ');
+            var already = rule.some(function (i) {
+                return i.prop === decl.prop && i.value.replace(/\s+/, ' ') === trimmed;
+            });
+
+            if (already) {
+                result.push(item);
+                return 'continue';
+            }
+
+            var cloned = _this2.clone(decl, { value: value });
+            item = decl.parent.insertBefore(decl, cloned);
+
+            result.push(item);
+        };
+
+        for (var prefix in decl._autoprefixerValues) {
+            var _ret = _loop(prefix);
+
+            if (_ret === 'continue') continue;
+        }
+
+        return result;
+    };
+
+    /**
+     * Is declaration need to be prefixed
+     */
+
+
+    Value.prototype.check = function check(decl) {
+        var value = decl.value;
+        if (value.indexOf(this.name) === -1) {
+            return false;
+        }
+
+        return !!value.match(this.regexp());
+    };
+
+    /**
+     * Lazy regexp loading
+     */
+
+
+    Value.prototype.regexp = function regexp() {
+        return this.regexpCache || (this.regexpCache = utils.regexp(this.name));
+    };
+
+    /**
+     * Add prefix to values in string
+     */
+
+
+    Value.prototype.replace = function replace(string, prefix) {
+        return string.replace(this.regexp(), '$1' + prefix + '$2');
+    };
+
+    /**
+     * Get value with comments if it was not changed
+     */
+
+
+    Value.prototype.value = function value(decl) {
+        if (decl.raws.value && decl.raws.value.value === decl.value) {
+            return decl.raws.value.raw;
+        } else {
+            return decl.value;
+        }
+    };
+
+    /**
+     * Save values with next prefixed token
+     */
+
+
+    Value.prototype.add = function add(decl, prefix) {
+        if (!decl._autoprefixerValues) {
+            decl._autoprefixerValues = {};
+        }
+        var value = decl._autoprefixerValues[prefix] || this.value(decl);
+        value = this.replace(value, prefix);
+        if (value) {
+            decl._autoprefixerValues[prefix] = value;
+        }
+    };
+
+    /**
+     * Return function to fast find prefixed value
+     */
+
+
+    Value.prototype.old = function old(prefix) {
+        return new OldValue(this.name, prefix + this.name);
+    };
+
+    return Value;
+}(Prefixer);
+
+module.exports = Value;