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diff --git a/node_modules/postcss-minify-gradients/CHANGELOG.md b/node_modules/postcss-minify-gradients/CHANGELOG.md
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+# 1.0.5
+
+* Resolves a crash on empty `linear-gradient()` functions.
+
+# 1.0.4
+
+* Resolves an issue where `0` was being removed from intermediate colour stops
+  if preceding colour stops contained `calc()` (thanks to @jaybekster).
+
+# 1.0.3
+
+* Resolves an issue where `0` was being incorrectly stripped from the final
+  colour stop value.
+
+# 1.0.2
+
+* Resolves an issue where the module would incorrectly parse floating
+  point numbers.
+
+# 1.0.1
+
+* Reduce function iterations (thanks to @TrySound).
+
+# 1.0.0
+
+* Initial release.
diff --git a/node_modules/postcss-minify-gradients/LICENSE-MIT b/node_modules/postcss-minify-gradients/LICENSE-MIT
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+++ b/node_modules/postcss-minify-gradients/LICENSE-MIT
@@ -0,0 +1,22 @@
+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-minify-gradients/README.md b/node_modules/postcss-minify-gradients/README.md
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+++ b/node_modules/postcss-minify-gradients/README.md
@@ -0,0 +1,66 @@
+# [postcss][postcss]-minify-gradients [![Build Status](https://travis-ci.org/ben-eb/postcss-minify-gradients.svg?branch=master)][ci] [![NPM version](https://badge.fury.io/js/postcss-minify-gradients.svg)][npm] [![Dependency Status](https://gemnasium.com/ben-eb/postcss-minify-gradients.svg)][deps]
+
+> Minify gradient parameters with PostCSS.
+
+## Install
+
+With [npm](https://npmjs.org/package/postcss-minify-gradients) do:
+
+```
+npm install postcss-minify-gradients
+```
+
+
+## Example
+
+Where possible, this module will minify gradient parameters. It can convert
+linear gradient directional syntax to angles, remove the unnecessary `0%` and
+`100%` start and end values, and minimise color stops that use the same length
+values (the browser will adjust the value automatically).
+
+### Input
+
+```css
+h1 {
+    background: linear-gradient(to bottom, #ffe500 0%, #ffe500 50%, #121 50%, #121 100%)
+}
+```
+
+### Output
+
+```css
+h1 {
+    background: linear-gradient(180deg, #ffe500, #ffe500 50%, #121 0, #121)
+}
+```
+
+
+## Usage
+
+See the [PostCSS documentation](https://github.com/postcss/postcss#usage) for
+examples for your environment.
+
+
+## Contributors
+
+Thanks goes to these wonderful people ([emoji key](https://github.com/kentcdodds/all-contributors#emoji-key)):
+
+<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+| [<img src="https://avatars.githubusercontent.com/u/1282980?v=3" width="100px;"/><br /><sub>Ben Briggs</sub>](http://beneb.info)<br />[💻](https://github.com/ben-eb/postcss-minify-gradients/commits?author=ben-eb) [📖](https://github.com/ben-eb/postcss-minify-gradients/commits?author=ben-eb) 👀 [⚠️](https://github.com/ben-eb/postcss-minify-gradients/commits?author=ben-eb) | [<img src="https://avatars.githubusercontent.com/u/5635476?v=3" width="100px;"/><br /><sub>Bogdan Chadkin</sub>](https://github.com/TrySound)<br />[💻](https://github.com/ben-eb/postcss-minify-gradients/commits?author=TrySound) | [<img src="https://avatars.githubusercontent.com/u/1448788?v=3" width="100px;"/><br /><sub></sub>](https://github.com/huan086)<br />[🐛](https://github.com/ben-eb/postcss-minify-gradients/issues?q=author%3Ahuan086) | [<img src="https://avatars.githubusercontent.com/u/2485494?v=3" width="100px;"/><br /><sub>Mikhail</sub>](https://github.com/jaybekster)<br />[🐛](https://github.com/ben-eb/postcss-minify-gradients/issues?q=author%3Ajaybekster) [💻](https://github.com/ben-eb/postcss-minify-gradients/commits?author=jaybekster) [⚠️](https://github.com/ben-eb/postcss-minify-gradients/commits?author=jaybekster) |
+| :---: | :---: | :---: | :---: |
+<!-- ALL-CONTRIBUTORS-LIST:END -->
+
+This project follows the [all-contributors] specification. Contributions of
+any kind welcome!
+
+
+## License
+
+MIT © [Ben Briggs](http://beneb.info)
+
+
+[all-contributors]: https://github.com/kentcdodds/all-contributors
+[ci]:      https://travis-ci.org/ben-eb/postcss-minify-gradients
+[deps]:    https://gemnasium.com/ben-eb/postcss-minify-gradients
+[npm]:     http://badge.fury.io/js/postcss-minify-gradients
+[postcss]: https://github.com/postcss/postcss
diff --git a/node_modules/postcss-minify-gradients/dist/index.js b/node_modules/postcss-minify-gradients/dist/index.js
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index 00000000..01ebe2d0
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+++ b/node_modules/postcss-minify-gradients/dist/index.js
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+'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 ? "symbol" : typeof obj; };
+
+var _postcss = require('postcss');
+
+var _postcss2 = _interopRequireDefault(_postcss);
+
+var _postcssValueParser = require('postcss-value-parser');
+
+var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var angles = {
+    top: '0deg',
+    right: '90deg',
+    bottom: '180deg',
+    left: '270deg'
+};
+
+function getArguments(node) {
+    return node.nodes.reduce(function (list, child) {
+        if (child.type !== 'div') {
+            list[list.length - 1].push(child);
+        } else {
+            list.push([]);
+        }
+        return list;
+    }, [[]]);
+}
+
+function isLessThan(a, b) {
+    return a.unit === b.unit && parseFloat(a.number) >= parseFloat(b.number);
+}
+
+function optimise(decl) {
+    if (!~decl.value.indexOf('gradient')) {
+        return;
+    }
+    decl.value = (0, _postcssValueParser2.default)(decl.value).walk(function (node) {
+        if (node.type !== 'function') {
+            return false;
+        }
+        if (node.value === 'linear-gradient' || node.value === 'repeating-linear-gradient' || node.value === '-webkit-linear-gradient' || node.value === '-webkit-repeating-linear-gradient') {
+            var _ret = function () {
+                if (!node.nodes.length) {
+                    return {
+                        v: false
+                    };
+                }
+                var args = getArguments(node);
+                if (node.nodes[0].value === 'to' && args[0].length === 3) {
+                    node.nodes = node.nodes.slice(2);
+                    node.nodes[0].value = angles[node.nodes[0].value];
+                }
+                var lastStop = null;
+                args.forEach(function (arg, index) {
+                    if (!arg[2]) {
+                        return;
+                    }
+                    var isFinalStop = index === args.length - 1;
+                    var thisStop = (0, _postcssValueParser.unit)(arg[2].value);
+                    if (lastStop === null) {
+                        lastStop = thisStop;
+                        if (!isFinalStop && lastStop && lastStop.number === '0' && lastStop.unit !== 'deg') {
+                            arg[1].value = arg[2].value = '';
+                        }
+                        return;
+                    }
+                    if (isLessThan(lastStop, thisStop)) {
+                        arg[2].value = 0;
+                    }
+                    lastStop = thisStop;
+                    if (isFinalStop && arg[2].value === '100%') {
+                        arg[1].value = arg[2].value = '';
+                    }
+                });
+                return {
+                    v: false
+                };
+            }();
+
+            if ((typeof _ret === 'undefined' ? 'undefined' : _typeof(_ret)) === "object") return _ret.v;
+        }
+        if (node.value === 'radial-gradient' || node.value === 'repeating-radial-gradient' || node.value === '-webkit-radial-gradient' || node.value === '-webkit-repeating-radial-gradient') {
+            var _ret2 = function () {
+                if (!node.nodes.length) {
+                    return {
+                        v: false
+                    };
+                }
+                var args = getArguments(node);
+                var lastStop = void 0;
+                args.forEach(function (arg) {
+                    if (!arg[2]) {
+                        return;
+                    }
+                    var thisStop = (0, _postcssValueParser.unit)(arg[2].value);
+                    if (!lastStop) {
+                        lastStop = thisStop;
+                        return;
+                    }
+                    if (isLessThan(lastStop, thisStop)) {
+                        arg[2].value = 0;
+                    }
+                    lastStop = thisStop;
+                });
+                return {
+                    v: false
+                };
+            }();
+
+            if ((typeof _ret2 === 'undefined' ? 'undefined' : _typeof(_ret2)) === "object") return _ret2.v;
+        }
+    }).toString();
+}
+
+exports.default = _postcss2.default.plugin('postcss-minify-gradients', function () {
+    return function (css) {
+        return css.walkDecls(optimise);
+    };
+});
+module.exports = exports['default'];
\ No newline at end of file
diff --git a/node_modules/postcss-minify-gradients/package.json b/node_modules/postcss-minify-gradients/package.json
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+++ b/node_modules/postcss-minify-gradients/package.json
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+{
+  "name": "postcss-minify-gradients",
+  "version": "1.0.5",
+  "description": "Minify gradient parameters with PostCSS.",
+  "main": "dist/index.js",
+  "scripts": {
+    "contributorAdd": "all-contributors add",
+    "contributorGenerate": "all-contributors generate",
+    "pretest": "eslint src",
+    "prepublish": "del-cli dist && BABEL_ENV=publish babel src --out-dir dist --ignore /__tests__/",
+    "test": "ava src/__tests__",
+    "test-012": "ava src/__tests__"
+  },
+  "files": [
+    "LICENSE-MIT",
+    "dist"
+  ],
+  "keywords": [
+    "css",
+    "postcss",
+    "postcss-plugin"
+  ],
+  "license": "MIT",
+  "devDependencies": {
+    "all-contributors-cli": "^3.0.5",
+    "ava": "^0.16.0",
+    "babel-cli": "^6.3.17",
+    "babel-core": "^6.3.26",
+    "babel-plugin-add-module-exports": "^0.2.1",
+    "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",
+    "del-cli": "^0.2.0",
+    "eslint": "^3.0.0",
+    "eslint-config-cssnano": "^3.0.0",
+    "eslint-plugin-babel": "^3.3.0",
+    "eslint-plugin-import": "^2.0.1"
+  },
+  "homepage": "https://github.com/ben-eb/postcss-minify-gradients",
+  "author": {
+    "name": "Ben Briggs",
+    "email": "beneb.info@gmail.com",
+    "url": "http://beneb.info"
+  },
+  "repository": "ben-eb/postcss-minify-gradients",
+  "dependencies": {
+    "postcss": "^5.0.12",
+    "postcss-value-parser": "^3.3.0"
+  },
+  "ava": {
+    "require": "babel-register"
+  },
+  "eslintConfig": {
+    "extends": "cssnano"
+  }
+}