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diff --git a/node_modules/postcss-selector-parser/API.md b/node_modules/postcss-selector-parser/API.md
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+# API Documentation
+
+*Please use only this documented API when working with the parser. Methods
+not documented here are subject to change at any point.*
+
+## `parser` function
+
+This is the module's main entry point.
+
+```js
+var parser = require('postcss-selector-parser');
+```
+
+### `parser([transform])`
+
+Creates a new `processor` instance
+
+```js
+var processor = parser();
+
+// or, with optional transform function
+var transform = function (selectors) {
+    selectors.eachUniversal(function (selector) {
+        selector.remove();
+    });
+};
+
+var processor = parser(transform)
+
+// Example
+var result = processor.process('*.class').result;
+// => .class
+```
+
+[See processor documentation](#processor)
+
+Arguments:
+
+* `transform (function)`: Provide a function to work with the parsed AST.
+
+### `parser.attribute([props])`
+
+Creates a new attribute selector.
+
+```js
+parser.attribute({attribute: 'href'});
+// => [href]
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.className([props])`
+
+Creates a new class selector.
+
+```js
+parser.className({value: 'button'});
+// => .button
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.combinator([props])`
+
+Creates a new selector combinator.
+
+```js
+parser.combinator({value: '+'});
+// => +
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.comment([props])`
+
+Creates a new comment.
+
+```js
+parser.comment({value: '/* Affirmative, Dave. I read you. */'});
+// => /* Affirmative, Dave. I read you. */
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.id([props])`
+
+Creates a new id selector.
+
+```js
+parser.id({value: 'search'});
+// => #search
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.nesting([props])`
+
+Creates a new nesting selector.
+
+```js
+parser.nesting();
+// => &
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.pseudo([props])`
+
+Creates a new pseudo selector.
+
+```js
+parser.pseudo({value: '::before'});
+// => ::before
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.root([props])`
+
+Creates a new root node.
+
+```js
+parser.root();
+// => (empty)
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.selector([props])`
+
+Creates a new selector node.
+
+```js
+parser.selector();
+// => (empty)
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.string([props])`
+
+Creates a new string node.
+
+```js
+parser.string();
+// => (empty)
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.tag([props])`
+
+Creates a new tag selector.
+
+```js
+parser.tag({value: 'button'});
+// => button
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+### `parser.universal([props])`
+
+Creates a new universal selector.
+
+```js
+parser.universal();
+// => *
+```
+
+Arguments:
+
+* `props (object)`: The new node's properties.
+
+## Node types
+
+### `node.type`
+
+A string representation of the selector type. It can be one of the following;
+`attribute`, `class`, `combinator`, `comment`, `id`, `nesting`, `pseudo`,
+`root`, `selector`, `string`, `tag`, or `universal`. Note that for convenience,
+these constants are exposed on the main `parser` as uppercased keys. So for
+example you can get `id` by querying `parser.ID`.
+
+```js
+parser.attribute({attribute: 'href'}).type;
+// => 'attribute'
+```
+
+### `node.parent`
+
+Returns the parent node.
+
+```js
+root.nodes[0].parent === root;
+```
+
+### `node.toString()`, `String(node)`, or `'' + node`
+
+Returns a string representation of the node.
+
+```js
+var id = parser.id({value: 'search'});
+console.log(String(id));
+// => #search
+```
+
+### `node.next()` & `node.prev()`
+
+Returns the next/previous child of the parent node.
+
+```js
+var next = id.next();
+if (next && next.type !== 'combinator') {
+    throw new Error('Qualified IDs are not allowed!');
+}
+```
+
+### `node.replaceWith(node)`
+
+Replace a node with another.
+
+```js
+var attr = selectors.first.first;
+var className = parser.className({value: 'test'});
+attr.replaceWith(className);
+```
+
+Arguments:
+
+* `node`: The node to substitute the original with.
+
+### `node.remove()`
+
+Removes the node from its parent node.
+
+```js
+if (node.type === 'id') {
+    node.remove();
+}
+```
+
+### `node.clone()`
+
+Returns a copy of a node, detached from any parent containers that the
+original might have had.
+
+```js
+var cloned = parser.id({value: 'search'});
+String(cloned);
+
+// => #search
+```
+
+### `node.spaces`
+
+Extra whitespaces around the node will be moved into `node.spaces.before` and
+`node.spaces.after`. So for example, these spaces will be moved as they have
+no semantic meaning:
+
+```css
+      h1     ,     h2   {}
+```
+
+However, *combinating* spaces will form a `combinator` node:
+
+```css
+h1        h2 {}
+```
+
+A `combinator` node may only have the `spaces` property set if the combinator
+value is a non-whitespace character, such as `+`, `~` or `>`. Otherwise, the
+combinator value will contain all of the spaces between selectors.
+
+### `node.source`
+
+An object describing the node's start/end, line/column source position.
+
+Within the following CSS, the `.bar` class node ...
+
+```css
+.foo,
+  .bar {}
+```
+
+... will contain the following `source` object.
+
+```js
+source: {
+    start: {
+        line: 2,
+        column: 3
+    },
+    end: {
+        line: 2,
+        column: 6
+    }
+}
+```
+
+### `node.sourceIndex`
+
+The zero-based index of the node within the original source string.
+
+Within the following CSS, the `.baz` class node will have a `sourceIndex` of `12`.
+
+```css
+.foo, .bar, .baz {}
+```
+
+## Container types
+
+The `root`, `selector`, and `pseudo` nodes have some helper methods for working
+with their children.
+
+### `container.nodes`
+
+An array of the container's children.
+
+```js
+// Input: h1 h2
+selectors.at(0).nodes.length   // => 3
+selectors.at(0).nodes[0].value // => 'h1'
+selectors.at(0).nodes[1].value // => ' '
+```
+
+### `container.first` & `container.last`
+
+The first/last child of the container.
+
+```js
+selector.first === selector.nodes[0];
+selector.last === selector.nodes[selector.nodes.length - 1];
+```
+
+### `container.at(index)`
+
+Returns the node at position `index`.
+
+```js
+selector.at(0) === selector.first;
+selector.at(0) === selector.nodes[0];
+```
+
+Arguments:
+
+* `index`: The index of the node to return.
+
+### `container.index(node)`
+
+Return the index of the node within its container.
+
+```js
+selector.index(selector.nodes[2]) // => 2
+```
+
+Arguments:
+
+* `node`: A node within the current container.
+
+### `container.length`
+
+Proxy to the length of the container's nodes.
+
+```js
+container.length === container.nodes.length
+```
+
+### `container` Array iterators
+
+The container class provides proxies to certain Array methods; these are:
+
+* `container.map === container.nodes.map`
+* `container.reduce === container.nodes.reduce`
+* `container.every === container.nodes.every`
+* `container.some === container.nodes.some`
+* `container.filter === container.nodes.filter`
+* `container.sort === container.nodes.sort`
+
+Note that these methods only work on a container's immediate children; recursive
+iteration is provided by `container.walk`.
+
+### `container.each(callback)`
+
+Iterate the container's immediate children, calling `callback` for each child.
+You may return `false` within the callback to break the iteration.
+
+```js
+var className;
+selectors.each(function (selector, index) {
+    if (selector.type === 'class') {
+        className = selector.value;
+        return false;
+    }
+});
+```
+
+Note that unlike `Array#forEach()`, this iterator is safe to use whilst adding
+or removing nodes from the container.
+
+Arguments:
+
+* `callback (function)`: A function to call for each node, which receives `node`
+  and `index` arguments.
+
+### `container.walk(callback)`
+
+Like `container#each`, but will also iterate child nodes as long as they are
+`container` types.
+
+```js
+selectors.walk(function (selector, index) {
+    // all nodes
+});
+```
+
+Arguments:
+
+* `callback (function)`: A function to call for each node, which receives `node`
+  and `index` arguments.
+
+This iterator is safe to use whilst mutating `container.nodes`,
+like `container#each`.
+
+### `container.walk` proxies
+
+The container class provides proxy methods for iterating over types of nodes,
+so that it is easier to write modules that target specific selectors. Those
+methods are:
+
+* `container.walkAttributes`
+* `container.walkClasses`
+* `container.walkCombinators`
+* `container.walkComments`
+* `container.walkIds`
+* `container.walkNesting`
+* `container.walkPseudos`
+* `container.walkTags`
+* `container.walkUniversals`
+
+### `container.split(callback)`
+
+This method allows you to split a group of nodes by returning `true` from
+a callback. It returns an array of arrays, where each inner array corresponds
+to the groups that you created via the callback.
+
+```js
+// (input) => h1 h2>>h3
+var list = selectors.first.split((selector) => {
+    return selector.type === 'combinator';
+});
+
+// (node values) => [['h1', ' '], ['h2', '>>'], ['h3']]
+```
+
+Arguments:
+
+* `callback (function)`: A function to call for each node, which receives `node`
+  as an argument.
+
+### `container.prepend(node)` & `container.append(node)`
+
+Add a node to the start/end of the container. Note that doing so will set
+the parent property of the node to this container.
+
+```js
+var id = parser.id({value: 'search'});
+selector.append(id);
+```
+
+Arguments:
+
+* `node`: The node to add.
+
+### `container.insertBefore(old, new)` & `container.insertAfter(old, new)`
+
+Add a node before or after an existing node in a container:
+
+```js
+selectors.walk(function (selector) {
+    if (selector.type !== 'class') {
+        var className = parser.className({value: 'theme-name'});
+        selector.parent.insertAfter(selector, className);
+    }
+});
+```
+
+Arguments:
+
+* `old`: The existing node in the container.
+* `new`: The new node to add before/after the existing node.
+
+### `container.removeChild(node)`
+
+Remove the node from the container. Note that you can also use
+`node.remove()` if you would like to remove just a single node.
+
+```js
+selector.length // => 2
+selector.remove(id)
+selector.length // => 1;
+id.parent       // undefined
+```
+
+Arguments:
+
+* `node`: The node to remove.
+
+### `container.removeAll()` or `container.empty()`
+
+Remove all children from the container.
+
+```js
+selector.removeAll();
+selector.length // => 0
+```
+
+## Root nodes
+
+A root node represents a comma separated list of selectors. Indeed, all
+a root's `toString()` method does is join its selector children with a ','.
+Other than this, it has no special functionality and acts like a container.
+
+### `root.trailingComma`
+
+This will be set to `true` if the input has a trailing comma, in order to
+support parsing of legacy CSS hacks.
+
+## Selector nodes
+
+A selector node represents a single compound selector. For example, this
+selector string `h1 h2 h3, [href] > p`, is represented as two selector nodes.
+It has no special functionality of its own.
+
+## Pseudo nodes
+
+A pseudo selector extends a container node; if it has any parameters of its
+own (such as `h1:not(h2, h3)`), they will be its children. Note that the pseudo
+`value` will always contain the colons preceding the pseudo identifier. This
+is so that both `:before` and `::before` are properly represented in the AST.
+
+## Attribute nodes
+
+### `attribute.quoted`
+
+Returns `true` if the attribute's value is wrapped in quotation marks, false if it is not.
+Remains `undefined` if there is no attribute value.
+
+```css
+[href=foo] /* false */
+[href='foo'] /* true */
+[href="foo"] /* true */
+[href] /* undefined */
+```
+
+### `attribute.raws.unquoted`
+
+Returns the unquoted content of the attribute's value.
+Remains `undefined` if there is no attribute value.
+
+```css
+[href=foo] /* foo */
+[href='foo'] /* foo */
+[href="foo"] /* foo */
+[href] /* undefined */
+```
+
+### `attribute.raws.insensitive`
+
+If there is an `i` specifying case insensitivity, returns that `i` along with the whitespace
+around it.
+
+```css
+[id=Bar i ] /* " i " */
+[id=Bar   i  ] /* "   i  " */
+```
+
+## `processor`
+
+### `process(cssText, [options])`
+
+Processes the `cssText`, returning the parsed output
+
+```js
+var processor = parser();
+
+var result = processor.process(' .class').result;
+// =>  .class
+
+// To have the parser normalize whitespace values, utilize the options
+var result = processor.process('  .class  ', {lossless: false}).result;
+// => .class
+```
+
+Arguments:
+
+* `cssText (string)`: The css to be parsed.
+* `[options] (object)`: Process options
+
+Options:
+
+* `lossless (boolean)`: false to normalize the selector whitespace, defaults to true
diff --git a/node_modules/postcss-selector-parser/CHANGELOG.md b/node_modules/postcss-selector-parser/CHANGELOG.md
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+# 2.2.3
+
+* Resolves an issue where the parser would not reduce multiple spaces between an
+  ampersand and another simple selector in lossy mode (thanks to @adam-26).
+
+# 2.2.2
+
+* No longer hangs on an unescaped semicolon; instead the parser will throw
+  an exception for these cases.
+
+# 2.2.1
+
+* Allows a consumer to specify whitespace tokens when creating a new Node
+  (thanks to @Semigradsky).
+
+# 2.2.0
+
+* Added a new option to normalize whitespace when parsing the selector string
+  (thanks to @adam-26).
+
+# 2.1.1
+
+* Better unquoted value handling within attribute selectors
+  (thanks to @evilebottnawi).
+
+# 2.1.0
+
+* Added: Use string constants for all node types & expose them on the main
+  parser instance (thanks to @Aweary).
+
+# 2.0.0
+
+This release contains the following breaking changes:
+
+* Renamed all `eachInside` iterators to `walk`. For example, `eachTag` is now
+  `walkTags`, and `eachInside` is now `walk`.
+* Renamed `Node#removeSelf()` to `Node#remove()`.
+* Renamed `Container#remove()` to `Container#removeChild()`.
+* Renamed `Node#raw` to `Node#raws` (thanks to @davidtheclark).
+* Now parses `&` as the *nesting* selector, rather than a *tag* selector.
+* Fixes misinterpretation of Sass interpolation (e.g. `#{foo}`) as an
+  id selector (thanks to @davidtheclark).
+
+and;
+
+* Fixes parsing of attribute selectors with equals signs in them
+  (e.g. `[data-attr="foo=bar"]`) (thanks to @montmanu).
+* Adds `quoted` and `raw.unquoted` properties to attribute nodes
+  (thanks to @davidtheclark).
+
+# 1.3.3
+
+* Fixes an infinite loop on `)` and `]` tokens when they had no opening pairs.
+  Now postcss-selector-parser will throw when it encounters these lone tokens.
+
+# 1.3.2
+
+* Now uses plain integers rather than `str.charCodeAt(0)` for compiled builds.
+
+# 1.3.1
+
+* Update flatten to v1.x (thanks to @shinnn).
+
+# 1.3.0
+
+* Adds a new node type, `String`, to fix a crash on selectors such as
+  `foo:bar("test")`.
+
+# 1.2.1
+
+* Fixes a crash when the parser encountered a trailing combinator.
+
+# 1.2.0
+
+* A more descriptive error is thrown when the parser expects to find a
+  pseudo-class/pseudo-element (thanks to @ashelley).
+* Adds support for line/column locations for selector nodes, as well as a
+  `Node#sourceIndex` method (thanks to @davidtheclark).
+
+# 1.1.4
+
+* Fixes a crash when a selector started with a `>` combinator. The module will
+  now no longer throw if a selector has a leading/trailing combinator node.
+
+# 1.1.3
+
+* Fixes a crash on `@` tokens.
+
+# 1.1.2
+
+* Fixes an infinite loop caused by using parentheses in a non-pseudo element
+  context.
+
+# 1.1.1
+
+* Fixes a crash when a backslash ended a selector string.
+
+# 1.1.0
+
+* Adds support for replacing multiple nodes at once with `replaceWith`
+  (thanks to @jonathantneal).
+* Parser no longer throws on sequential IDs and trailing commas, to support
+  parsing of selector hacks.
+
+# 1.0.1
+
+* Fixes using `insertAfter` and `insertBefore` during iteration.
+
+# 1.0.0
+
+* Adds `clone` and `replaceWith` methods to nodes.
+* Adds `insertBefore` and `insertAfter` to containers.
+* Stabilises API.
+
+# 0.0.5
+
+* Fixes crash on extra whitespace inside a pseudo selector's parentheses.
+* Adds sort function to the container class.
+* Enables the parser to pass its input through without transforming.
+* Iteration-safe `each` and `eachInside`.
+
+# 0.0.4
+
+* Tidy up redundant duplication.
+* Fixes a bug where the parser would loop infinitely on universal selectors
+  inside pseudo selectors.
+* Adds `length` getter and `eachInside`, `map`, `reduce` to the container class.
+* When a selector has been removed from the tree, the root node will no longer
+  cast it to a string.
+* Adds node type iterators to the container class (e.g. `eachComment`).
+* Adds filter function to the container class.
+* Adds split function to the container class.
+* Create new node types by doing `parser.id(opts)` etc.
+* Adds support for pseudo classes anywhere in the selector.
+
+# 0.0.3
+
+* Adds `next` and `prev` to the node class.
+* Adds `first` and `last` getters to the container class.
+* Adds `every` and `some` iterators to the container class.
+* Add `empty` alias for `removeAll`.
+* Combinators are now types of node.
+* Fixes the at method so that it is not an alias for `index`.
+* Tidy up creation of new nodes in the parser.
+* Refactors how namespaces are handled for consistency & less redundant code.
+* Refactors AST to use `nodes` exclusively, and eliminates excessive nesting.
+* Fixes nested pseudo parsing.
+* Fixes whitespace parsing.
+
+# 0.0.2
+
+* Adds support for namespace selectors.
+* Adds support for selectors joined by escaped spaces - such as `.\31\ 0`.
+
+# 0.0.1
+
+* Initial release.
diff --git a/node_modules/postcss-selector-parser/LICENSE-MIT b/node_modules/postcss-selector-parser/LICENSE-MIT
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+Copyright (c) Ben Briggs <beneb.info@gmail.com> (http://beneb.info)
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/postcss-selector-parser/README.md b/node_modules/postcss-selector-parser/README.md
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+# postcss-selector-parser [![Build Status](https://travis-ci.org/postcss/postcss-selector-parser.svg?branch=master)](https://travis-ci.org/postcss/postcss-selector-parser)
+
+> Selector parser with built in methods for working with selector strings.
+
+## Install
+
+With [npm](https://npmjs.com/package/postcss-selector-parser) do:
+
+```
+npm install postcss-selector-parser
+```
+
+## Quick Start
+
+```js
+var parser = require('postcss-selector-parser');
+var transform = function (selectors) {
+    selectors.eachInside(function (selector) {
+        // do something with the selector
+        console.log(String(selector))
+    });
+};
+
+var transformed = parser(transform).process('h1, h2, h3').result;
+```
+
+To normalize selector whitespace:
+
+```js
+var parser = require('postcss-selector-parser');
+var normalized = parser().process('h1, h2, h3', {lossless:false}).result;
+// -> h1,h2,h3
+```
+
+## API
+
+Please see [API.md](API.md).
+
+## Credits
+
+* Huge thanks to Andrey Sitnik (@ai) for work on PostCSS which helped
+  accelerate this module's development.
+
+## License
+
+MIT
diff --git a/node_modules/postcss-selector-parser/dist/index.js b/node_modules/postcss-selector-parser/dist/index.js
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+'use strict';
+
+exports.__esModule = true;
+
+var _processor = require('./processor');
+
+var _processor2 = _interopRequireDefault(_processor);
+
+var _attribute = require('./selectors/attribute');
+
+var _attribute2 = _interopRequireDefault(_attribute);
+
+var _className = require('./selectors/className');
+
+var _className2 = _interopRequireDefault(_className);
+
+var _combinator = require('./selectors/combinator');
+
+var _combinator2 = _interopRequireDefault(_combinator);
+
+var _comment = require('./selectors/comment');
+
+var _comment2 = _interopRequireDefault(_comment);
+
+var _id = require('./selectors/id');
+
+var _id2 = _interopRequireDefault(_id);
+
+var _nesting = require('./selectors/nesting');
+
+var _nesting2 = _interopRequireDefault(_nesting);
+
+var _pseudo = require('./selectors/pseudo');
+
+var _pseudo2 = _interopRequireDefault(_pseudo);
+
+var _root = require('./selectors/root');
+
+var _root2 = _interopRequireDefault(_root);
+
+var _selector = require('./selectors/selector');
+
+var _selector2 = _interopRequireDefault(_selector);
+
+var _string = require('./selectors/string');
+
+var _string2 = _interopRequireDefault(_string);
+
+var _tag = require('./selectors/tag');
+
+var _tag2 = _interopRequireDefault(_tag);
+
+var _universal = require('./selectors/universal');
+
+var _universal2 = _interopRequireDefault(_universal);
+
+var _types = require('./selectors/types');
+
+var types = _interopRequireWildcard(_types);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var parser = function parser(processor) {
+    return new _processor2.default(processor);
+};
+
+parser.attribute = function (opts) {
+    return new _attribute2.default(opts);
+};
+parser.className = function (opts) {
+    return new _className2.default(opts);
+};
+parser.combinator = function (opts) {
+    return new _combinator2.default(opts);
+};
+parser.comment = function (opts) {
+    return new _comment2.default(opts);
+};
+parser.id = function (opts) {
+    return new _id2.default(opts);
+};
+parser.nesting = function (opts) {
+    return new _nesting2.default(opts);
+};
+parser.pseudo = function (opts) {
+    return new _pseudo2.default(opts);
+};
+parser.root = function (opts) {
+    return new _root2.default(opts);
+};
+parser.selector = function (opts) {
+    return new _selector2.default(opts);
+};
+parser.string = function (opts) {
+    return new _string2.default(opts);
+};
+parser.tag = function (opts) {
+    return new _tag2.default(opts);
+};
+parser.universal = function (opts) {
+    return new _universal2.default(opts);
+};
+
+Object.keys(types).forEach(function (type) {
+    if (type === '__esModule') {
+        return;
+    }
+    parser[type] = types[type]; // eslint-disable-line
+});
+
+exports.default = parser;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/parser.js b/node_modules/postcss-selector-parser/dist/parser.js
new file mode 100644
index 00000000..18beadbb
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/parser.js
@@ -0,0 +1,643 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _flatten = require('flatten');
+
+var _flatten2 = _interopRequireDefault(_flatten);
+
+var _indexesOf = require('indexes-of');
+
+var _indexesOf2 = _interopRequireDefault(_indexesOf);
+
+var _uniq = require('uniq');
+
+var _uniq2 = _interopRequireDefault(_uniq);
+
+var _root = require('./selectors/root');
+
+var _root2 = _interopRequireDefault(_root);
+
+var _selector = require('./selectors/selector');
+
+var _selector2 = _interopRequireDefault(_selector);
+
+var _className = require('./selectors/className');
+
+var _className2 = _interopRequireDefault(_className);
+
+var _comment = require('./selectors/comment');
+
+var _comment2 = _interopRequireDefault(_comment);
+
+var _id = require('./selectors/id');
+
+var _id2 = _interopRequireDefault(_id);
+
+var _tag = require('./selectors/tag');
+
+var _tag2 = _interopRequireDefault(_tag);
+
+var _string = require('./selectors/string');
+
+var _string2 = _interopRequireDefault(_string);
+
+var _pseudo = require('./selectors/pseudo');
+
+var _pseudo2 = _interopRequireDefault(_pseudo);
+
+var _attribute = require('./selectors/attribute');
+
+var _attribute2 = _interopRequireDefault(_attribute);
+
+var _universal = require('./selectors/universal');
+
+var _universal2 = _interopRequireDefault(_universal);
+
+var _combinator = require('./selectors/combinator');
+
+var _combinator2 = _interopRequireDefault(_combinator);
+
+var _nesting = require('./selectors/nesting');
+
+var _nesting2 = _interopRequireDefault(_nesting);
+
+var _sortAscending = require('./sortAscending');
+
+var _sortAscending2 = _interopRequireDefault(_sortAscending);
+
+var _tokenize = require('./tokenize');
+
+var _tokenize2 = _interopRequireDefault(_tokenize);
+
+var _types = require('./selectors/types');
+
+var types = _interopRequireWildcard(_types);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Parser = function () {
+    function Parser(input) {
+        _classCallCheck(this, Parser);
+
+        this.input = input;
+        this.lossy = input.options.lossless === false;
+        this.position = 0;
+        this.root = new _root2.default();
+
+        var selectors = new _selector2.default();
+        this.root.append(selectors);
+
+        this.current = selectors;
+        if (this.lossy) {
+            this.tokens = (0, _tokenize2.default)({ safe: input.safe, css: input.css.trim() });
+        } else {
+            this.tokens = (0, _tokenize2.default)(input);
+        }
+
+        return this.loop();
+    }
+
+    Parser.prototype.attribute = function attribute() {
+        var str = '';
+        var attr = void 0;
+        var startingToken = this.currToken;
+        this.position++;
+        while (this.position < this.tokens.length && this.currToken[0] !== ']') {
+            str += this.tokens[this.position][1];
+            this.position++;
+        }
+        if (this.position === this.tokens.length && !~str.indexOf(']')) {
+            this.error('Expected a closing square bracket.');
+        }
+        var parts = str.split(/((?:[*~^$|]?=))([^]*)/);
+        var namespace = parts[0].split(/(\|)/g);
+        var attributeProps = {
+            operator: parts[1],
+            value: parts[2],
+            source: {
+                start: {
+                    line: startingToken[2],
+                    column: startingToken[3]
+                },
+                end: {
+                    line: this.currToken[2],
+                    column: this.currToken[3]
+                }
+            },
+            sourceIndex: startingToken[4]
+        };
+        if (namespace.length > 1) {
+            if (namespace[0] === '') {
+                namespace[0] = true;
+            }
+            attributeProps.attribute = this.parseValue(namespace[2]);
+            attributeProps.namespace = this.parseNamespace(namespace[0]);
+        } else {
+            attributeProps.attribute = this.parseValue(parts[0]);
+        }
+        attr = new _attribute2.default(attributeProps);
+
+        if (parts[2]) {
+            var insensitive = parts[2].split(/(\s+i\s*?)$/);
+            var trimmedValue = insensitive[0].trim();
+            attr.value = this.lossy ? trimmedValue : insensitive[0];
+            if (insensitive[1]) {
+                attr.insensitive = true;
+                if (!this.lossy) {
+                    attr.raws.insensitive = insensitive[1];
+                }
+            }
+            attr.quoted = trimmedValue[0] === '\'' || trimmedValue[0] === '"';
+            attr.raws.unquoted = attr.quoted ? trimmedValue.slice(1, -1) : trimmedValue;
+        }
+        this.newNode(attr);
+        this.position++;
+    };
+
+    Parser.prototype.combinator = function combinator() {
+        if (this.currToken[1] === '|') {
+            return this.namespace();
+        }
+        var node = new _combinator2.default({
+            value: '',
+            source: {
+                start: {
+                    line: this.currToken[2],
+                    column: this.currToken[3]
+                },
+                end: {
+                    line: this.currToken[2],
+                    column: this.currToken[3]
+                }
+            },
+            sourceIndex: this.currToken[4]
+        });
+        while (this.position < this.tokens.length && this.currToken && (this.currToken[0] === 'space' || this.currToken[0] === 'combinator')) {
+            if (this.nextToken && this.nextToken[0] === 'combinator') {
+                node.spaces.before = this.parseSpace(this.currToken[1]);
+                node.source.start.line = this.nextToken[2];
+                node.source.start.column = this.nextToken[3];
+                node.source.end.column = this.nextToken[3];
+                node.source.end.line = this.nextToken[2];
+                node.sourceIndex = this.nextToken[4];
+            } else if (this.prevToken && this.prevToken[0] === 'combinator') {
+                node.spaces.after = this.parseSpace(this.currToken[1]);
+            } else if (this.currToken[0] === 'combinator') {
+                node.value = this.currToken[1];
+            } else if (this.currToken[0] === 'space') {
+                node.value = this.parseSpace(this.currToken[1], ' ');
+            }
+            this.position++;
+        }
+        return this.newNode(node);
+    };
+
+    Parser.prototype.comma = function comma() {
+        if (this.position === this.tokens.length - 1) {
+            this.root.trailingComma = true;
+            this.position++;
+            return;
+        }
+        var selectors = new _selector2.default();
+        this.current.parent.append(selectors);
+        this.current = selectors;
+        this.position++;
+    };
+
+    Parser.prototype.comment = function comment() {
+        var node = new _comment2.default({
+            value: this.currToken[1],
+            source: {
+                start: {
+                    line: this.currToken[2],
+                    column: this.currToken[3]
+                },
+                end: {
+                    line: this.currToken[4],
+                    column: this.currToken[5]
+                }
+            },
+            sourceIndex: this.currToken[6]
+        });
+        this.newNode(node);
+        this.position++;
+    };
+
+    Parser.prototype.error = function error(message) {
+        throw new this.input.error(message); // eslint-disable-line new-cap
+    };
+
+    Parser.prototype.missingBackslash = function missingBackslash() {
+        return this.error('Expected a backslash preceding the semicolon.');
+    };
+
+    Parser.prototype.missingParenthesis = function missingParenthesis() {
+        return this.error('Expected opening parenthesis.');
+    };
+
+    Parser.prototype.missingSquareBracket = function missingSquareBracket() {
+        return this.error('Expected opening square bracket.');
+    };
+
+    Parser.prototype.namespace = function namespace() {
+        var before = this.prevToken && this.prevToken[1] || true;
+        if (this.nextToken[0] === 'word') {
+            this.position++;
+            return this.word(before);
+        } else if (this.nextToken[0] === '*') {
+            this.position++;
+            return this.universal(before);
+        }
+    };
+
+    Parser.prototype.nesting = function nesting() {
+        this.newNode(new _nesting2.default({
+            value: this.currToken[1],
+            source: {
+                start: {
+                    line: this.currToken[2],
+                    column: this.currToken[3]
+                },
+                end: {
+                    line: this.currToken[2],
+                    column: this.currToken[3]
+                }
+            },
+            sourceIndex: this.currToken[4]
+        }));
+        this.position++;
+    };
+
+    Parser.prototype.parentheses = function parentheses() {
+        var last = this.current.last;
+        if (last && last.type === types.PSEUDO) {
+            var selector = new _selector2.default();
+            var cache = this.current;
+            last.append(selector);
+            this.current = selector;
+            var balanced = 1;
+            this.position++;
+            while (this.position < this.tokens.length && balanced) {
+                if (this.currToken[0] === '(') {
+                    balanced++;
+                }
+                if (this.currToken[0] === ')') {
+                    balanced--;
+                }
+                if (balanced) {
+                    this.parse();
+                } else {
+                    selector.parent.source.end.line = this.currToken[2];
+                    selector.parent.source.end.column = this.currToken[3];
+                    this.position++;
+                }
+            }
+            if (balanced) {
+                this.error('Expected closing parenthesis.');
+            }
+            this.current = cache;
+        } else {
+            var _balanced = 1;
+            this.position++;
+            last.value += '(';
+            while (this.position < this.tokens.length && _balanced) {
+                if (this.currToken[0] === '(') {
+                    _balanced++;
+                }
+                if (this.currToken[0] === ')') {
+                    _balanced--;
+                }
+                last.value += this.parseParenthesisToken(this.currToken);
+                this.position++;
+            }
+            if (_balanced) {
+                this.error('Expected closing parenthesis.');
+            }
+        }
+    };
+
+    Parser.prototype.pseudo = function pseudo() {
+        var _this = this;
+
+        var pseudoStr = '';
+        var startingToken = this.currToken;
+        while (this.currToken && this.currToken[0] === ':') {
+            pseudoStr += this.currToken[1];
+            this.position++;
+        }
+        if (!this.currToken) {
+            return this.error('Expected pseudo-class or pseudo-element');
+        }
+        if (this.currToken[0] === 'word') {
+            var pseudo = void 0;
+            this.splitWord(false, function (first, length) {
+                pseudoStr += first;
+                pseudo = new _pseudo2.default({
+                    value: pseudoStr,
+                    source: {
+                        start: {
+                            line: startingToken[2],
+                            column: startingToken[3]
+                        },
+                        end: {
+                            line: _this.currToken[4],
+                            column: _this.currToken[5]
+                        }
+                    },
+                    sourceIndex: startingToken[4]
+                });
+                _this.newNode(pseudo);
+                if (length > 1 && _this.nextToken && _this.nextToken[0] === '(') {
+                    _this.error('Misplaced parenthesis.');
+                }
+            });
+        } else {
+            this.error('Unexpected "' + this.currToken[0] + '" found.');
+        }
+    };
+
+    Parser.prototype.space = function space() {
+        var token = this.currToken;
+        // Handle space before and after the selector
+        if (this.position === 0 || this.prevToken[0] === ',' || this.prevToken[0] === '(') {
+            this.spaces = this.parseSpace(token[1]);
+            this.position++;
+        } else if (this.position === this.tokens.length - 1 || this.nextToken[0] === ',' || this.nextToken[0] === ')') {
+            this.current.last.spaces.after = this.parseSpace(token[1]);
+            this.position++;
+        } else {
+            this.combinator();
+        }
+    };
+
+    Parser.prototype.string = function string() {
+        var token = this.currToken;
+        this.newNode(new _string2.default({
+            value: this.currToken[1],
+            source: {
+                start: {
+                    line: token[2],
+                    column: token[3]
+                },
+                end: {
+                    line: token[4],
+                    column: token[5]
+                }
+            },
+            sourceIndex: token[6]
+        }));
+        this.position++;
+    };
+
+    Parser.prototype.universal = function universal(namespace) {
+        var nextToken = this.nextToken;
+        if (nextToken && nextToken[1] === '|') {
+            this.position++;
+            return this.namespace();
+        }
+        this.newNode(new _universal2.default({
+            value: this.currToken[1],
+            source: {
+                start: {
+                    line: this.currToken[2],
+                    column: this.currToken[3]
+                },
+                end: {
+                    line: this.currToken[2],
+                    column: this.currToken[3]
+                }
+            },
+            sourceIndex: this.currToken[4]
+        }), namespace);
+        this.position++;
+    };
+
+    Parser.prototype.splitWord = function splitWord(namespace, firstCallback) {
+        var _this2 = this;
+
+        var nextToken = this.nextToken;
+        var word = this.currToken[1];
+        while (nextToken && nextToken[0] === 'word') {
+            this.position++;
+            var current = this.currToken[1];
+            word += current;
+            if (current.lastIndexOf('\\') === current.length - 1) {
+                var next = this.nextToken;
+                if (next && next[0] === 'space') {
+                    word += this.parseSpace(next[1], ' ');
+                    this.position++;
+                }
+            }
+            nextToken = this.nextToken;
+        }
+        var hasClass = (0, _indexesOf2.default)(word, '.');
+        var hasId = (0, _indexesOf2.default)(word, '#');
+        // Eliminate Sass interpolations from the list of id indexes
+        var interpolations = (0, _indexesOf2.default)(word, '#{');
+        if (interpolations.length) {
+            hasId = hasId.filter(function (hashIndex) {
+                return !~interpolations.indexOf(hashIndex);
+            });
+        }
+        var indices = (0, _sortAscending2.default)((0, _uniq2.default)((0, _flatten2.default)([[0], hasClass, hasId])));
+        indices.forEach(function (ind, i) {
+            var index = indices[i + 1] || word.length;
+            var value = word.slice(ind, index);
+            if (i === 0 && firstCallback) {
+                return firstCallback.call(_this2, value, indices.length);
+            }
+            var node = void 0;
+            if (~hasClass.indexOf(ind)) {
+                node = new _className2.default({
+                    value: value.slice(1),
+                    source: {
+                        start: {
+                            line: _this2.currToken[2],
+                            column: _this2.currToken[3] + ind
+                        },
+                        end: {
+                            line: _this2.currToken[4],
+                            column: _this2.currToken[3] + (index - 1)
+                        }
+                    },
+                    sourceIndex: _this2.currToken[6] + indices[i]
+                });
+            } else if (~hasId.indexOf(ind)) {
+                node = new _id2.default({
+                    value: value.slice(1),
+                    source: {
+                        start: {
+                            line: _this2.currToken[2],
+                            column: _this2.currToken[3] + ind
+                        },
+                        end: {
+                            line: _this2.currToken[4],
+                            column: _this2.currToken[3] + (index - 1)
+                        }
+                    },
+                    sourceIndex: _this2.currToken[6] + indices[i]
+                });
+            } else {
+                node = new _tag2.default({
+                    value: value,
+                    source: {
+                        start: {
+                            line: _this2.currToken[2],
+                            column: _this2.currToken[3] + ind
+                        },
+                        end: {
+                            line: _this2.currToken[4],
+                            column: _this2.currToken[3] + (index - 1)
+                        }
+                    },
+                    sourceIndex: _this2.currToken[6] + indices[i]
+                });
+            }
+            _this2.newNode(node, namespace);
+        });
+        this.position++;
+    };
+
+    Parser.prototype.word = function word(namespace) {
+        var nextToken = this.nextToken;
+        if (nextToken && nextToken[1] === '|') {
+            this.position++;
+            return this.namespace();
+        }
+        return this.splitWord(namespace);
+    };
+
+    Parser.prototype.loop = function loop() {
+        while (this.position < this.tokens.length) {
+            this.parse(true);
+        }
+        return this.root;
+    };
+
+    Parser.prototype.parse = function parse(throwOnParenthesis) {
+        switch (this.currToken[0]) {
+            case 'space':
+                this.space();
+                break;
+            case 'comment':
+                this.comment();
+                break;
+            case '(':
+                this.parentheses();
+                break;
+            case ')':
+                if (throwOnParenthesis) {
+                    this.missingParenthesis();
+                }
+                break;
+            case '[':
+                this.attribute();
+                break;
+            case ']':
+                this.missingSquareBracket();
+                break;
+            case 'at-word':
+            case 'word':
+                this.word();
+                break;
+            case ':':
+                this.pseudo();
+                break;
+            case ';':
+                this.missingBackslash();
+                break;
+            case ',':
+                this.comma();
+                break;
+            case '*':
+                this.universal();
+                break;
+            case '&':
+                this.nesting();
+                break;
+            case 'combinator':
+                this.combinator();
+                break;
+            case 'string':
+                this.string();
+                break;
+        }
+    };
+
+    /**
+     * Helpers
+     */
+
+    Parser.prototype.parseNamespace = function parseNamespace(namespace) {
+        if (this.lossy && typeof namespace === 'string') {
+            var trimmed = namespace.trim();
+            if (!trimmed.length) {
+                return true;
+            }
+
+            return trimmed;
+        }
+
+        return namespace;
+    };
+
+    Parser.prototype.parseSpace = function parseSpace(space, replacement) {
+        return this.lossy ? replacement || '' : space;
+    };
+
+    Parser.prototype.parseValue = function parseValue(value) {
+        return this.lossy && value && typeof value === 'string' ? value.trim() : value;
+    };
+
+    Parser.prototype.parseParenthesisToken = function parseParenthesisToken(token) {
+        if (!this.lossy) {
+            return token[1];
+        }
+
+        if (token[0] === 'space') {
+            return this.parseSpace(token[1], ' ');
+        }
+
+        return this.parseValue(token[1]);
+    };
+
+    Parser.prototype.newNode = function newNode(node, namespace) {
+        if (namespace) {
+            node.namespace = this.parseNamespace(namespace);
+        }
+        if (this.spaces) {
+            node.spaces.before = this.spaces;
+            this.spaces = '';
+        }
+        return this.current.append(node);
+    };
+
+    _createClass(Parser, [{
+        key: 'currToken',
+        get: function get() {
+            return this.tokens[this.position];
+        }
+    }, {
+        key: 'nextToken',
+        get: function get() {
+            return this.tokens[this.position + 1];
+        }
+    }, {
+        key: 'prevToken',
+        get: function get() {
+            return this.tokens[this.position - 1];
+        }
+    }]);
+
+    return Parser;
+}();
+
+exports.default = Parser;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/processor.js b/node_modules/postcss-selector-parser/dist/processor.js
new file mode 100644
index 00000000..087618ce
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/processor.js
@@ -0,0 +1,49 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _parser = require('./parser');
+
+var _parser2 = _interopRequireDefault(_parser);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Processor = function () {
+    function Processor(func) {
+        _classCallCheck(this, Processor);
+
+        this.func = func || function noop() {};
+        return this;
+    }
+
+    Processor.prototype.process = function process(selectors) {
+        var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+        var input = new _parser2.default({
+            css: selectors,
+            error: function error(e) {
+                throw new Error(e);
+            },
+            options: options
+        });
+        this.res = input;
+        this.func(input);
+        return this;
+    };
+
+    _createClass(Processor, [{
+        key: 'result',
+        get: function get() {
+            return String(this.res);
+        }
+    }]);
+
+    return Processor;
+}();
+
+exports.default = Processor;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/attribute.js b/node_modules/postcss-selector-parser/dist/selectors/attribute.js
new file mode 100644
index 00000000..4ea74c12
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/attribute.js
@@ -0,0 +1,54 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _namespace = require('./namespace');
+
+var _namespace2 = _interopRequireDefault(_namespace);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 Attribute = function (_Namespace) {
+    _inherits(Attribute, _Namespace);
+
+    function Attribute(opts) {
+        _classCallCheck(this, Attribute);
+
+        var _this = _possibleConstructorReturn(this, _Namespace.call(this, opts));
+
+        _this.type = _types.ATTRIBUTE;
+        _this.raws = {};
+        return _this;
+    }
+
+    Attribute.prototype.toString = function toString() {
+        var selector = [this.spaces.before, '[', this.ns, this.attribute];
+
+        if (this.operator) {
+            selector.push(this.operator);
+        }
+        if (this.value) {
+            selector.push(this.value);
+        }
+        if (this.raws.insensitive) {
+            selector.push(this.raws.insensitive);
+        } else if (this.insensitive) {
+            selector.push(' i');
+        }
+        selector.push(']');
+        return selector.concat(this.spaces.after).join('');
+    };
+
+    return Attribute;
+}(_namespace2.default);
+
+exports.default = Attribute;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/className.js b/node_modules/postcss-selector-parser/dist/selectors/className.js
new file mode 100644
index 00000000..d7bff16b
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/className.js
@@ -0,0 +1,39 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _namespace = require('./namespace');
+
+var _namespace2 = _interopRequireDefault(_namespace);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 ClassName = function (_Namespace) {
+    _inherits(ClassName, _Namespace);
+
+    function ClassName(opts) {
+        _classCallCheck(this, ClassName);
+
+        var _this = _possibleConstructorReturn(this, _Namespace.call(this, opts));
+
+        _this.type = _types.CLASS;
+        return _this;
+    }
+
+    ClassName.prototype.toString = function toString() {
+        return [this.spaces.before, this.ns, String('.' + this.value), this.spaces.after].join('');
+    };
+
+    return ClassName;
+}(_namespace2.default);
+
+exports.default = ClassName;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/combinator.js b/node_modules/postcss-selector-parser/dist/selectors/combinator.js
new file mode 100644
index 00000000..673dc750
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/combinator.js
@@ -0,0 +1,35 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _node = require('./node');
+
+var _node2 = _interopRequireDefault(_node);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 Combinator = function (_Node) {
+    _inherits(Combinator, _Node);
+
+    function Combinator(opts) {
+        _classCallCheck(this, Combinator);
+
+        var _this = _possibleConstructorReturn(this, _Node.call(this, opts));
+
+        _this.type = _types.COMBINATOR;
+        return _this;
+    }
+
+    return Combinator;
+}(_node2.default);
+
+exports.default = Combinator;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/comment.js b/node_modules/postcss-selector-parser/dist/selectors/comment.js
new file mode 100644
index 00000000..6d96556e
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/comment.js
@@ -0,0 +1,35 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _node = require('./node');
+
+var _node2 = _interopRequireDefault(_node);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 Comment = function (_Node) {
+    _inherits(Comment, _Node);
+
+    function Comment(opts) {
+        _classCallCheck(this, Comment);
+
+        var _this = _possibleConstructorReturn(this, _Node.call(this, opts));
+
+        _this.type = _types.COMMENT;
+        return _this;
+    }
+
+    return Comment;
+}(_node2.default);
+
+exports.default = Comment;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/container.js b/node_modules/postcss-selector-parser/dist/selectors/container.js
new file mode 100644
index 00000000..bc9ec00c
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/container.js
@@ -0,0 +1,338 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _node = require('./node');
+
+var _node2 = _interopRequireDefault(_node);
+
+var _types = require('./types');
+
+var types = _interopRequireWildcard(_types);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 Container = function (_Node) {
+    _inherits(Container, _Node);
+
+    function Container(opts) {
+        _classCallCheck(this, Container);
+
+        var _this = _possibleConstructorReturn(this, _Node.call(this, opts));
+
+        if (!_this.nodes) {
+            _this.nodes = [];
+        }
+        return _this;
+    }
+
+    Container.prototype.append = function append(selector) {
+        selector.parent = this;
+        this.nodes.push(selector);
+        return this;
+    };
+
+    Container.prototype.prepend = function prepend(selector) {
+        selector.parent = this;
+        this.nodes.unshift(selector);
+        return this;
+    };
+
+    Container.prototype.at = function at(index) {
+        return this.nodes[index];
+    };
+
+    Container.prototype.index = function index(child) {
+        if (typeof child === 'number') {
+            return child;
+        }
+        return this.nodes.indexOf(child);
+    };
+
+    Container.prototype.removeChild = function removeChild(child) {
+        child = this.index(child);
+        this.at(child).parent = undefined;
+        this.nodes.splice(child, 1);
+
+        var index = void 0;
+        for (var id in this.indexes) {
+            index = this.indexes[id];
+            if (index >= child) {
+                this.indexes[id] = index - 1;
+            }
+        }
+
+        return this;
+    };
+
+    Container.prototype.removeAll = function removeAll() {
+        for (var _iterator = this.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;
+
+            node.parent = undefined;
+        }
+        this.nodes = [];
+        return this;
+    };
+
+    Container.prototype.empty = function empty() {
+        return this.removeAll();
+    };
+
+    Container.prototype.insertAfter = function insertAfter(oldNode, newNode) {
+        var oldIndex = this.index(oldNode);
+        this.nodes.splice(oldIndex + 1, 0, newNode);
+
+        var index = void 0;
+        for (var id in this.indexes) {
+            index = this.indexes[id];
+            if (oldIndex <= index) {
+                this.indexes[id] = index + this.nodes.length;
+            }
+        }
+
+        return this;
+    };
+
+    Container.prototype.insertBefore = function insertBefore(oldNode, newNode) {
+        var oldIndex = this.index(oldNode);
+        this.nodes.splice(oldIndex, 0, newNode);
+
+        var index = void 0;
+        for (var id in this.indexes) {
+            index = this.indexes[id];
+            if (oldIndex <= index) {
+                this.indexes[id] = index + this.nodes.length;
+            }
+        }
+
+        return this;
+    };
+
+    Container.prototype.each = function each(callback) {
+        if (!this.lastEach) {
+            this.lastEach = 0;
+        }
+        if (!this.indexes) {
+            this.indexes = {};
+        }
+
+        this.lastEach++;
+        var id = this.lastEach;
+        this.indexes[id] = 0;
+
+        if (!this.length) {
+            return undefined;
+        }
+
+        var index = void 0,
+            result = void 0;
+        while (this.indexes[id] < this.length) {
+            index = this.indexes[id];
+            result = callback(this.at(index), index);
+            if (result === false) {
+                break;
+            }
+
+            this.indexes[id] += 1;
+        }
+
+        delete this.indexes[id];
+
+        if (result === false) {
+            return false;
+        }
+    };
+
+    Container.prototype.walk = function walk(callback) {
+        return this.each(function (node, i) {
+            var result = callback(node, i);
+
+            if (result !== false && node.length) {
+                result = node.walk(callback);
+            }
+
+            if (result === false) {
+                return false;
+            }
+        });
+    };
+
+    Container.prototype.walkAttributes = function walkAttributes(callback) {
+        var _this2 = this;
+
+        return this.walk(function (selector) {
+            if (selector.type === types.ATTRIBUTE) {
+                return callback.call(_this2, selector);
+            }
+        });
+    };
+
+    Container.prototype.walkClasses = function walkClasses(callback) {
+        var _this3 = this;
+
+        return this.walk(function (selector) {
+            if (selector.type === types.CLASS) {
+                return callback.call(_this3, selector);
+            }
+        });
+    };
+
+    Container.prototype.walkCombinators = function walkCombinators(callback) {
+        var _this4 = this;
+
+        return this.walk(function (selector) {
+            if (selector.type === types.COMBINATOR) {
+                return callback.call(_this4, selector);
+            }
+        });
+    };
+
+    Container.prototype.walkComments = function walkComments(callback) {
+        var _this5 = this;
+
+        return this.walk(function (selector) {
+            if (selector.type === types.COMMENT) {
+                return callback.call(_this5, selector);
+            }
+        });
+    };
+
+    Container.prototype.walkIds = function walkIds(callback) {
+        var _this6 = this;
+
+        return this.walk(function (selector) {
+            if (selector.type === types.ID) {
+                return callback.call(_this6, selector);
+            }
+        });
+    };
+
+    Container.prototype.walkNesting = function walkNesting(callback) {
+        var _this7 = this;
+
+        return this.walk(function (selector) {
+            if (selector.type === types.NESTING) {
+                return callback.call(_this7, selector);
+            }
+        });
+    };
+
+    Container.prototype.walkPseudos = function walkPseudos(callback) {
+        var _this8 = this;
+
+        return this.walk(function (selector) {
+            if (selector.type === types.PSEUDO) {
+                return callback.call(_this8, selector);
+            }
+        });
+    };
+
+    Container.prototype.walkTags = function walkTags(callback) {
+        var _this9 = this;
+
+        return this.walk(function (selector) {
+            if (selector.type === types.TAG) {
+                return callback.call(_this9, selector);
+            }
+        });
+    };
+
+    Container.prototype.walkUniversals = function walkUniversals(callback) {
+        var _this10 = this;
+
+        return this.walk(function (selector) {
+            if (selector.type === types.UNIVERSAL) {
+                return callback.call(_this10, selector);
+            }
+        });
+    };
+
+    Container.prototype.split = function split(callback) {
+        var _this11 = this;
+
+        var current = [];
+        return this.reduce(function (memo, node, index) {
+            var split = callback.call(_this11, node);
+            current.push(node);
+            if (split) {
+                memo.push(current);
+                current = [];
+            } else if (index === _this11.length - 1) {
+                memo.push(current);
+            }
+            return memo;
+        }, []);
+    };
+
+    Container.prototype.map = function map(callback) {
+        return this.nodes.map(callback);
+    };
+
+    Container.prototype.reduce = function reduce(callback, memo) {
+        return this.nodes.reduce(callback, memo);
+    };
+
+    Container.prototype.every = function every(callback) {
+        return this.nodes.every(callback);
+    };
+
+    Container.prototype.some = function some(callback) {
+        return this.nodes.some(callback);
+    };
+
+    Container.prototype.filter = function filter(callback) {
+        return this.nodes.filter(callback);
+    };
+
+    Container.prototype.sort = function sort(callback) {
+        return this.nodes.sort(callback);
+    };
+
+    Container.prototype.toString = function toString() {
+        return this.map(String).join('');
+    };
+
+    _createClass(Container, [{
+        key: 'first',
+        get: function get() {
+            return this.at(0);
+        }
+    }, {
+        key: 'last',
+        get: function get() {
+            return this.at(this.length - 1);
+        }
+    }, {
+        key: 'length',
+        get: function get() {
+            return this.nodes.length;
+        }
+    }]);
+
+    return Container;
+}(_node2.default);
+
+exports.default = Container;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/id.js b/node_modules/postcss-selector-parser/dist/selectors/id.js
new file mode 100644
index 00000000..4538dcf8
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/id.js
@@ -0,0 +1,39 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _namespace = require('./namespace');
+
+var _namespace2 = _interopRequireDefault(_namespace);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 ID = function (_Namespace) {
+    _inherits(ID, _Namespace);
+
+    function ID(opts) {
+        _classCallCheck(this, ID);
+
+        var _this = _possibleConstructorReturn(this, _Namespace.call(this, opts));
+
+        _this.type = _types.ID;
+        return _this;
+    }
+
+    ID.prototype.toString = function toString() {
+        return [this.spaces.before, this.ns, String('#' + this.value), this.spaces.after].join('');
+    };
+
+    return ID;
+}(_namespace2.default);
+
+exports.default = ID;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/namespace.js b/node_modules/postcss-selector-parser/dist/selectors/namespace.js
new file mode 100644
index 00000000..5121b2d4
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/namespace.js
@@ -0,0 +1,45 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _node = require('./node');
+
+var _node2 = _interopRequireDefault(_node);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 Namespace = function (_Node) {
+    _inherits(Namespace, _Node);
+
+    function Namespace() {
+        _classCallCheck(this, Namespace);
+
+        return _possibleConstructorReturn(this, _Node.apply(this, arguments));
+    }
+
+    Namespace.prototype.toString = function toString() {
+        return [this.spaces.before, this.ns, String(this.value), this.spaces.after].join('');
+    };
+
+    _createClass(Namespace, [{
+        key: 'ns',
+        get: function get() {
+            var n = this.namespace;
+            return n ? (typeof n === 'string' ? n : '') + '|' : '';
+        }
+    }]);
+
+    return Namespace;
+}(_node2.default);
+
+exports.default = Namespace;
+;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/nesting.js b/node_modules/postcss-selector-parser/dist/selectors/nesting.js
new file mode 100644
index 00000000..c3264b07
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/nesting.js
@@ -0,0 +1,36 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _node = require('./node');
+
+var _node2 = _interopRequireDefault(_node);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 Nesting = function (_Node) {
+    _inherits(Nesting, _Node);
+
+    function Nesting(opts) {
+        _classCallCheck(this, Nesting);
+
+        var _this = _possibleConstructorReturn(this, _Node.call(this, opts));
+
+        _this.type = _types.NESTING;
+        _this.value = '&';
+        return _this;
+    }
+
+    return Nesting;
+}(_node2.default);
+
+exports.default = Nesting;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/node.js b/node_modules/postcss-selector-parser/dist/selectors/node.js
new file mode 100644
index 00000000..30f45fd4
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/node.js
@@ -0,0 +1,102 @@
+'use strict';
+
+exports.__esModule = true;
+
+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 cloneNode = function cloneNode(obj, parent) {
+    if ((typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) !== 'object') {
+        return obj;
+    }
+
+    var cloned = new obj.constructor();
+
+    for (var i in obj) {
+        if (!obj.hasOwnProperty(i)) {
+            continue;
+        }
+        var value = obj[i];
+        var type = typeof value === 'undefined' ? 'undefined' : _typeof(value);
+
+        if (i === 'parent' && type === 'object') {
+            if (parent) {
+                cloned[i] = parent;
+            }
+        } else if (value instanceof Array) {
+            cloned[i] = value.map(function (j) {
+                return cloneNode(j, cloned);
+            });
+        } else {
+            cloned[i] = cloneNode(value, cloned);
+        }
+    }
+
+    return cloned;
+};
+
+var _class = function () {
+    function _class() {
+        var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+        _classCallCheck(this, _class);
+
+        for (var key in opts) {
+            this[key] = opts[key];
+        }
+        var _opts$spaces = opts.spaces;
+        _opts$spaces = _opts$spaces === undefined ? {} : _opts$spaces;
+        var _opts$spaces$before = _opts$spaces.before,
+            before = _opts$spaces$before === undefined ? '' : _opts$spaces$before,
+            _opts$spaces$after = _opts$spaces.after,
+            after = _opts$spaces$after === undefined ? '' : _opts$spaces$after;
+
+        this.spaces = { before: before, after: after };
+    }
+
+    _class.prototype.remove = function remove() {
+        if (this.parent) {
+            this.parent.removeChild(this);
+        }
+        this.parent = undefined;
+        return this;
+    };
+
+    _class.prototype.replaceWith = function replaceWith() {
+        if (this.parent) {
+            for (var index in arguments) {
+                this.parent.insertBefore(this, arguments[index]);
+            }
+            this.remove();
+        }
+        return this;
+    };
+
+    _class.prototype.next = function next() {
+        return this.parent.at(this.parent.index(this) + 1);
+    };
+
+    _class.prototype.prev = function prev() {
+        return this.parent.at(this.parent.index(this) - 1);
+    };
+
+    _class.prototype.clone = function clone() {
+        var overrides = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+        var cloned = cloneNode(this);
+        for (var name in overrides) {
+            cloned[name] = overrides[name];
+        }
+        return cloned;
+    };
+
+    _class.prototype.toString = function toString() {
+        return [this.spaces.before, String(this.value), this.spaces.after].join('');
+    };
+
+    return _class;
+}();
+
+exports.default = _class;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/pseudo.js b/node_modules/postcss-selector-parser/dist/selectors/pseudo.js
new file mode 100644
index 00000000..709cc224
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/pseudo.js
@@ -0,0 +1,40 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _container = require('./container');
+
+var _container2 = _interopRequireDefault(_container);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 Pseudo = function (_Container) {
+    _inherits(Pseudo, _Container);
+
+    function Pseudo(opts) {
+        _classCallCheck(this, Pseudo);
+
+        var _this = _possibleConstructorReturn(this, _Container.call(this, opts));
+
+        _this.type = _types.PSEUDO;
+        return _this;
+    }
+
+    Pseudo.prototype.toString = function toString() {
+        var params = this.length ? '(' + this.map(String).join(',') + ')' : '';
+        return [this.spaces.before, String(this.value), params, this.spaces.after].join('');
+    };
+
+    return Pseudo;
+}(_container2.default);
+
+exports.default = Pseudo;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/root.js b/node_modules/postcss-selector-parser/dist/selectors/root.js
new file mode 100644
index 00000000..d8865b5b
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/root.js
@@ -0,0 +1,43 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _container = require('./container');
+
+var _container2 = _interopRequireDefault(_container);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 Root = function (_Container) {
+    _inherits(Root, _Container);
+
+    function Root(opts) {
+        _classCallCheck(this, Root);
+
+        var _this = _possibleConstructorReturn(this, _Container.call(this, opts));
+
+        _this.type = _types.ROOT;
+        return _this;
+    }
+
+    Root.prototype.toString = function toString() {
+        var str = this.reduce(function (memo, selector) {
+            var sel = String(selector);
+            return sel ? memo + sel + ',' : '';
+        }, '').slice(0, -1);
+        return this.trailingComma ? str + ',' : str;
+    };
+
+    return Root;
+}(_container2.default);
+
+exports.default = Root;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/selector.js b/node_modules/postcss-selector-parser/dist/selectors/selector.js
new file mode 100644
index 00000000..e2187662
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/selector.js
@@ -0,0 +1,35 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _container = require('./container');
+
+var _container2 = _interopRequireDefault(_container);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 = function (_Container) {
+    _inherits(Selector, _Container);
+
+    function Selector(opts) {
+        _classCallCheck(this, Selector);
+
+        var _this = _possibleConstructorReturn(this, _Container.call(this, opts));
+
+        _this.type = _types.SELECTOR;
+        return _this;
+    }
+
+    return Selector;
+}(_container2.default);
+
+exports.default = Selector;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/string.js b/node_modules/postcss-selector-parser/dist/selectors/string.js
new file mode 100644
index 00000000..d644e7d1
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/string.js
@@ -0,0 +1,35 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _node = require('./node');
+
+var _node2 = _interopRequireDefault(_node);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 String = function (_Node) {
+    _inherits(String, _Node);
+
+    function String(opts) {
+        _classCallCheck(this, String);
+
+        var _this = _possibleConstructorReturn(this, _Node.call(this, opts));
+
+        _this.type = _types.STRING;
+        return _this;
+    }
+
+    return String;
+}(_node2.default);
+
+exports.default = String;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/tag.js b/node_modules/postcss-selector-parser/dist/selectors/tag.js
new file mode 100644
index 00000000..a1f2848a
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/tag.js
@@ -0,0 +1,35 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _namespace = require('./namespace');
+
+var _namespace2 = _interopRequireDefault(_namespace);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 Tag = function (_Namespace) {
+    _inherits(Tag, _Namespace);
+
+    function Tag(opts) {
+        _classCallCheck(this, Tag);
+
+        var _this = _possibleConstructorReturn(this, _Namespace.call(this, opts));
+
+        _this.type = _types.TAG;
+        return _this;
+    }
+
+    return Tag;
+}(_namespace2.default);
+
+exports.default = Tag;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/types.js b/node_modules/postcss-selector-parser/dist/selectors/types.js
new file mode 100644
index 00000000..aa73ac9a
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/types.js
@@ -0,0 +1,15 @@
+'use strict';
+
+exports.__esModule = true;
+var TAG = exports.TAG = 'tag';
+var STRING = exports.STRING = 'string';
+var SELECTOR = exports.SELECTOR = 'selector';
+var ROOT = exports.ROOT = 'root';
+var PSEUDO = exports.PSEUDO = 'pseudo';
+var NESTING = exports.NESTING = 'nesting';
+var ID = exports.ID = 'id';
+var COMMENT = exports.COMMENT = 'comment';
+var COMBINATOR = exports.COMBINATOR = 'combinator';
+var CLASS = exports.CLASS = 'class';
+var ATTRIBUTE = exports.ATTRIBUTE = 'attribute';
+var UNIVERSAL = exports.UNIVERSAL = 'universal';
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/selectors/universal.js b/node_modules/postcss-selector-parser/dist/selectors/universal.js
new file mode 100644
index 00000000..f4a35ff5
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/selectors/universal.js
@@ -0,0 +1,36 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _namespace = require('./namespace');
+
+var _namespace2 = _interopRequireDefault(_namespace);
+
+var _types = require('./types');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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 Universal = function (_Namespace) {
+    _inherits(Universal, _Namespace);
+
+    function Universal(opts) {
+        _classCallCheck(this, Universal);
+
+        var _this = _possibleConstructorReturn(this, _Namespace.call(this, opts));
+
+        _this.type = _types.UNIVERSAL;
+        _this.value = '*';
+        return _this;
+    }
+
+    return Universal;
+}(_namespace2.default);
+
+exports.default = Universal;
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/sortAscending.js b/node_modules/postcss-selector-parser/dist/sortAscending.js
new file mode 100644
index 00000000..17a2eb4e
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/sortAscending.js
@@ -0,0 +1,10 @@
+"use strict";
+
+exports.__esModule = true;
+exports.default = sortAscending;
+function sortAscending(list) {
+    return list.sort(function (a, b) {
+        return a - b;
+    });
+};
+module.exports = exports["default"];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/dist/tokenize.js b/node_modules/postcss-selector-parser/dist/tokenize.js
new file mode 100644
index 00000000..acc73b05
--- /dev/null
+++ b/node_modules/postcss-selector-parser/dist/tokenize.js
@@ -0,0 +1,231 @@
+'use strict';
+
+exports.__esModule = true;
+exports.default = tokenize;
+var singleQuote = 39,
+    doubleQuote = 34,
+    backslash = 92,
+    slash = 47,
+    newline = 10,
+    space = 32,
+    feed = 12,
+    tab = 9,
+    cr = 13,
+    plus = 43,
+    gt = 62,
+    tilde = 126,
+    pipe = 124,
+    comma = 44,
+    openBracket = 40,
+    closeBracket = 41,
+    openSq = 91,
+    closeSq = 93,
+    semicolon = 59,
+    asterisk = 42,
+    colon = 58,
+    ampersand = 38,
+    at = 64,
+    atEnd = /[ \n\t\r\{\(\)'"\\;/]/g,
+    wordEnd = /[ \n\t\r\(\)\*:;@!&'"\+\|~>,\[\]\\]|\/(?=\*)/g;
+
+function tokenize(input) {
+    var tokens = [];
+    var css = input.css.valueOf();
+
+    var code = void 0,
+        next = void 0,
+        quote = void 0,
+        lines = void 0,
+        last = void 0,
+        content = void 0,
+        escape = void 0,
+        nextLine = void 0,
+        nextOffset = void 0,
+        escaped = void 0,
+        escapePos = void 0;
+
+    var length = css.length;
+    var offset = -1;
+    var line = 1;
+    var pos = 0;
+
+    var unclosed = function unclosed(what, end) {
+        if (input.safe) {
+            css += end;
+            next = css.length - 1;
+        } else {
+            throw input.error('Unclosed ' + what, line, pos - offset, pos);
+        }
+    };
+
+    while (pos < length) {
+        code = css.charCodeAt(pos);
+
+        if (code === newline) {
+            offset = pos;
+            line += 1;
+        }
+
+        switch (code) {
+            case newline:
+            case space:
+            case tab:
+            case cr:
+            case feed:
+                next = pos;
+                do {
+                    next += 1;
+                    code = css.charCodeAt(next);
+                    if (code === newline) {
+                        offset = next;
+                        line += 1;
+                    }
+                } while (code === space || code === newline || code === tab || code === cr || code === feed);
+
+                tokens.push(['space', css.slice(pos, next), line, pos - offset, pos]);
+                pos = next - 1;
+                break;
+
+            case plus:
+            case gt:
+            case tilde:
+            case pipe:
+                next = pos;
+                do {
+                    next += 1;
+                    code = css.charCodeAt(next);
+                } while (code === plus || code === gt || code === tilde || code === pipe);
+                tokens.push(['combinator', css.slice(pos, next), line, pos - offset, pos]);
+                pos = next - 1;
+                break;
+
+            case asterisk:
+                tokens.push(['*', '*', line, pos - offset, pos]);
+                break;
+
+            case ampersand:
+                tokens.push(['&', '&', line, pos - offset, pos]);
+                break;
+
+            case comma:
+                tokens.push([',', ',', line, pos - offset, pos]);
+                break;
+
+            case openSq:
+                tokens.push(['[', '[', line, pos - offset, pos]);
+                break;
+
+            case closeSq:
+                tokens.push([']', ']', line, pos - offset, pos]);
+                break;
+
+            case colon:
+                tokens.push([':', ':', line, pos - offset, pos]);
+                break;
+
+            case semicolon:
+                tokens.push([';', ';', line, pos - offset, pos]);
+                break;
+
+            case openBracket:
+                tokens.push(['(', '(', line, pos - offset, pos]);
+                break;
+
+            case closeBracket:
+                tokens.push([')', ')', line, pos - offset, pos]);
+                break;
+
+            case singleQuote:
+            case doubleQuote:
+                quote = code === singleQuote ? "'" : '"';
+                next = pos;
+                do {
+                    escaped = false;
+                    next = css.indexOf(quote, next + 1);
+                    if (next === -1) {
+                        unclosed('quote', quote);
+                    }
+                    escapePos = next;
+                    while (css.charCodeAt(escapePos - 1) === backslash) {
+                        escapePos -= 1;
+                        escaped = !escaped;
+                    }
+                } while (escaped);
+
+                tokens.push(['string', css.slice(pos, next + 1), line, pos - offset, line, next - offset, pos]);
+                pos = next;
+                break;
+
+            case at:
+                atEnd.lastIndex = pos + 1;
+                atEnd.test(css);
+                if (atEnd.lastIndex === 0) {
+                    next = css.length - 1;
+                } else {
+                    next = atEnd.lastIndex - 2;
+                }
+                tokens.push(['at-word', css.slice(pos, next + 1), line, pos - offset, line, next - offset, pos]);
+                pos = next;
+                break;
+
+            case backslash:
+                next = pos;
+                escape = true;
+                while (css.charCodeAt(next + 1) === backslash) {
+                    next += 1;
+                    escape = !escape;
+                }
+                code = css.charCodeAt(next + 1);
+                if (escape && code !== slash && code !== space && code !== newline && code !== tab && code !== cr && code !== feed) {
+                    next += 1;
+                }
+                tokens.push(['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset, pos]);
+                pos = next;
+                break;
+
+            default:
+                if (code === slash && css.charCodeAt(pos + 1) === asterisk) {
+                    next = css.indexOf('*/', pos + 2) + 1;
+                    if (next === 0) {
+                        unclosed('comment', '*/');
+                    }
+
+                    content = css.slice(pos, next + 1);
+                    lines = content.split('\n');
+                    last = lines.length - 1;
+
+                    if (last > 0) {
+                        nextLine = line + last;
+                        nextOffset = next - lines[last].length;
+                    } else {
+                        nextLine = line;
+                        nextOffset = offset;
+                    }
+
+                    tokens.push(['comment', content, line, pos - offset, nextLine, next - nextOffset, pos]);
+
+                    offset = nextOffset;
+                    line = nextLine;
+                    pos = next;
+                } else {
+                    wordEnd.lastIndex = pos + 1;
+                    wordEnd.test(css);
+                    if (wordEnd.lastIndex === 0) {
+                        next = css.length - 1;
+                    } else {
+                        next = wordEnd.lastIndex - 2;
+                    }
+
+                    tokens.push(['word', css.slice(pos, next + 1), line, pos - offset, line, next - offset, pos]);
+                    pos = next;
+                }
+
+                break;
+        }
+
+        pos++;
+    }
+
+    return tokens;
+}
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-selector-parser/package.json b/node_modules/postcss-selector-parser/package.json
new file mode 100644
index 00000000..f4a59597
--- /dev/null
+++ b/node_modules/postcss-selector-parser/package.json
@@ -0,0 +1,64 @@
+{
+  "name": "postcss-selector-parser",
+  "version": "2.2.3",
+  "devDependencies": {
+    "ava": "^0.17.0",
+    "babel-cli": "^6.4.0",
+    "babel-core": "^6.4.0",
+    "babel-plugin-add-module-exports": "^0.2.0",
+    "babel-plugin-precompile-charcodes": "^1.0.0",
+    "babel-preset-es2015": "^6.3.13",
+    "babel-preset-es2015-loose": "^7.0.0",
+    "babel-preset-stage-0": "^6.3.13",
+    "babel-register": "^6.9.0",
+    "coveralls": "^2.11.6",
+    "del-cli": "^0.2.0",
+    "eslint": "^3.0.0",
+    "eslint-config-cssnano": "^3.0.0",
+    "eslint-plugin-babel": "^3.3.0",
+    "eslint-plugin-import": "^1.10.2",
+    "glob": "^7.0.3",
+    "minimist": "^1.2.0",
+    "nyc": "^10.0.0"
+  },
+  "main": "dist/index.js",
+  "files": [
+    "API.md",
+    "CHANGELOG.md",
+    "LICENSE-MIT",
+    "dist"
+  ],
+  "scripts": {
+    "pretest": "eslint src",
+    "prepublish": "del-cli dist && BABEL_ENV=publish babel src --out-dir dist --ignore /__tests__/",
+    "report": "nyc report --reporter=html",
+    "test": "nyc ava src/__tests__/*.js",
+    "test-012": "nyc ava src/__tests__/*.js"
+  },
+  "dependencies": {
+    "flatten": "^1.0.2",
+    "indexes-of": "^1.0.1",
+    "uniq": "^1.0.1"
+  },
+  "license": "MIT",
+  "homepage": "https://github.com/postcss/postcss-selector-parser",
+  "author": {
+    "name": "Ben Briggs",
+    "email": "beneb.info@gmail.com",
+    "url": "http://beneb.info"
+  },
+  "repository": "postcss/postcss-selector-parser",
+  "ava": {
+    "require": "babel-register",
+    "concurrency": 5
+  },
+  "nyc": {
+    "exclude": [
+      "node_modules",
+      "**/__tests__"
+    ]
+  },
+  "eslintConfig": {
+    "extends": "cssnano"
+  }
+}