diff --git a/.babelrc b/.babelrc
new file mode 100644
index 0000000000..3490fcb3f7
--- /dev/null
+++ b/.babelrc
@@ -0,0 +1,9 @@
+{
+  "env": {
+    "test": {
+      "presets": [
+        "env"
+      ]
+    }
+  }
+}
diff --git a/lib/__tests__/build-files.tests.js b/lib/__tests__/build-files.tests.js
index 3215abaf3d..55155ef716 100644
--- a/lib/__tests__/build-files.tests.js
+++ b/lib/__tests__/build-files.tests.js
@@ -1,3 +1,4 @@
+const cssnano = require('cssnano');
 const filepath = require('filepath');
 const fm = require('front-matter');
 const fs = require('fs-extra');
@@ -38,10 +39,12 @@ beforeAll(() => {
     glob(docsDir + '/assets/*'),
     glob(buildDir + '/' + siteConfig.projectName + '/img/*'),
   ]).then(function(results) {
-    inputMarkdownFiles = results[0];
-    outputHTMLFiles = results[1];
-    inputAssetsFiles = results[2];
-    outputAssetsFiles = results[3];
+    [
+      inputMarkdownFiles,
+      outputHTMLFiles,
+      inputAssetsFiles,
+      outputAssetsFiles,
+    ] = results;
     return;
   });
 });
@@ -85,11 +88,11 @@ test('Concatenated CSS files', function() {
       'utf8'
     ),
   ]).then(function(results) {
-    const inputFiles = results[0];
-    const outputFile = results[1];
-    inputFiles.forEach(function(file) {
+    const [inputFiles, outputFile] = results;
+    inputFiles.forEach(async function(file) {
       const contents = fs.readFileSync(file, 'utf8');
-      expect(outputFile).toContain(contents);
+      const {css} = await cssnano.process(contents, {}, {preset: 'default'});
+      expect(outputFile).toContain(css);
     });
   });
 });
diff --git a/lib/build-files.js b/lib/build-files.js
index 9e1e2e2da3..bca51bcb8a 100755
--- a/lib/build-files.js
+++ b/lib/build-files.js
@@ -7,6 +7,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
+require('babel-polyfill');
 require('babel-register')({
   babelrc: false,
   only: [__dirname, process.cwd() + '/core'],
diff --git a/lib/server/generate.js b/lib/server/generate.js
index e3e310b7eb..0688755fda 100644
--- a/lib/server/generate.js
+++ b/lib/server/generate.js
@@ -5,10 +5,11 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-function execute() {
+async function execute() {
   const extractTranslations = require('../write-translations.js');
 
   const CWD = process.cwd();
+  const cssnano = require('cssnano');
   const fs = require('fs-extra');
   const readMetadata = require('./readMetadata.js');
   const path = require('path');
@@ -371,7 +372,7 @@ function execute() {
     }
   });
 
-  // copy all static files from user
+  // Copy all static files from user.
   files = glob.sync(join(CWD, 'static', '**'), {dot: true});
   files.forEach(file => {
     // Why normalize? In case we are on Windows.
@@ -409,6 +410,18 @@ function execute() {
     }
   });
 
+  // Use cssnano to minify the final combined CSS.
+  const mainCss = join(buildDir, 'css', 'main.css');
+  const cssContent = fs.readFileSync(mainCss, 'utf8');
+  const {css} = await cssnano.process(
+    cssContent,
+    /* postcssOpts */ {},
+    /* cssnanoOpts */ {
+      preset: 'default',
+    }
+  );
+  fs.writeFileSync(mainCss, css);
+
   // compile/copy pages from user
   let pagesArr = [];
   files = glob.sync(join(CWD, 'pages', '**'));
diff --git a/package-lock.json b/package-lock.json
index faaa82dabf..118e6bd77b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -56,6 +56,11 @@
         "repeat-string": "1.6.1"
       }
     },
+    "alphanum-sort": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/alphanum-sort/-/alphanum-sort-1.0.2.tgz",
+      "integrity": "sha1-l6ERlkmyEa0zaR2fn0hqjsn74KM="
+    },
     "amdefine": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
@@ -196,6 +201,30 @@
       "resolved": "https://registry.npmjs.org/autolinker/-/autolinker-0.15.3.tgz",
       "integrity": "sha1-NCQX2PLzRhsUzwkIjV7fh5HcmDI="
     },
+    "autoprefixer": {
+      "version": "6.7.7",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-6.7.7.tgz",
+      "integrity": "sha1-Hb0cg1ZY41zj+ZhAmdsAWFx4IBQ=",
+      "requires": {
+        "browserslist": "1.7.7",
+        "caniuse-db": "1.0.30000830",
+        "normalize-range": "0.1.2",
+        "num2fraction": "1.2.2",
+        "postcss": "5.2.18",
+        "postcss-value-parser": "3.3.0"
+      },
+      "dependencies": {
+        "browserslist": {
+          "version": "1.7.7",
+          "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-1.7.7.tgz",
+          "integrity": "sha1-C9dnBCWL6CmyOYu1Dkti0aFmsLk=",
+          "requires": {
+            "caniuse-db": "1.0.30000830",
+            "electron-to-chromium": "1.3.27"
+          }
+        }
+      }
+    },
     "aws-sign2": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -805,6 +834,23 @@
         "babel-types": "6.26.0"
       }
     },
+    "babel-polyfill": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-polyfill/-/babel-polyfill-6.26.0.tgz",
+      "integrity": "sha1-N5k3q8Z9eJWXCtxiHyhM2WbPIVM=",
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "core-js": "2.5.1",
+        "regenerator-runtime": "0.10.5"
+      },
+      "dependencies": {
+        "regenerator-runtime": {
+          "version": "0.10.5",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz",
+          "integrity": "sha1-M2w+/BIgrc7dosn6tntaeVWjNlg="
+        }
+      }
+    },
     "babel-preset-env": {
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/babel-preset-env/-/babel-preset-env-1.6.1.tgz",
@@ -1069,6 +1115,33 @@
       "dev": true,
       "optional": true
     },
+    "caniuse-api": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/caniuse-api/-/caniuse-api-1.6.1.tgz",
+      "integrity": "sha1-tTTnxzTE+B7F++isoq0kNUuWLGw=",
+      "requires": {
+        "browserslist": "1.7.7",
+        "caniuse-db": "1.0.30000830",
+        "lodash.memoize": "4.1.2",
+        "lodash.uniq": "4.5.0"
+      },
+      "dependencies": {
+        "browserslist": {
+          "version": "1.7.7",
+          "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-1.7.7.tgz",
+          "integrity": "sha1-C9dnBCWL6CmyOYu1Dkti0aFmsLk=",
+          "requires": {
+            "caniuse-db": "1.0.30000830",
+            "electron-to-chromium": "1.3.27"
+          }
+        }
+      }
+    },
+    "caniuse-db": {
+      "version": "1.0.30000830",
+      "resolved": "https://registry.npmjs.org/caniuse-db/-/caniuse-db-1.0.30000830.tgz",
+      "integrity": "sha1-bkUlWzRWSf0V/1kHLaHhK7PeLxM="
+    },
     "caniuse-lite": {
       "version": "1.0.30000749",
       "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000749.tgz",
@@ -1124,6 +1197,28 @@
       "integrity": "sha512-uTGIPNx/nSpBdsF6xnseRXLLtfr9VLqkz8ZqHXr3Y7b6SftyRxBGjwMtJj1OhNbmlc1wZzLNAlAcvyIiE8a6ZA==",
       "dev": true
     },
+    "clap": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/clap/-/clap-1.2.3.tgz",
+      "integrity": "sha512-4CoL/A3hf90V3VIEjeuhSvlGFEHKzOz+Wfc2IVZc+FaUgU0ZQafJTP49fvnULipOPcAfqhyI2duwQyns6xqjYA==",
+      "requires": {
+        "chalk": "1.1.3"
+      },
+      "dependencies": {
+        "chalk": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+          "requires": {
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
+          }
+        }
+      }
+    },
     "classnames": {
       "version": "2.2.5",
       "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.2.5.tgz",
@@ -1141,11 +1236,31 @@
         "wordwrap": "0.0.2"
       }
     },
+    "clone": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
+      "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4="
+    },
     "co": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
       "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ="
     },
+    "coa": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/coa/-/coa-1.0.4.tgz",
+      "integrity": "sha1-qe8VNmDWqGqL3sAomlxoTSF0Mv0=",
+      "requires": {
+        "q": "1.5.1"
+      },
+      "dependencies": {
+        "q": {
+          "version": "1.5.1",
+          "resolved": "https://registry.npmjs.org/q/-/q-1.5.1.tgz",
+          "integrity": "sha1-fjL3W0E4EpHQRhHxvxQQmsAGUdc="
+        }
+      }
+    },
     "code-point-at": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
@@ -1198,6 +1313,41 @@
         "simple-swizzle": "0.2.2"
       }
     },
+    "colormin": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/colormin/-/colormin-1.1.2.tgz",
+      "integrity": "sha1-6i90IKcrlogaOKrlnsEkpvcpgTM=",
+      "requires": {
+        "color": "0.11.4",
+        "css-color-names": "0.0.4",
+        "has": "1.0.1"
+      },
+      "dependencies": {
+        "color": {
+          "version": "0.11.4",
+          "resolved": "https://registry.npmjs.org/color/-/color-0.11.4.tgz",
+          "integrity": "sha1-bXtcdPtl6EHNSHkq0e1eB7kE12Q=",
+          "requires": {
+            "clone": "1.0.4",
+            "color-convert": "1.9.0",
+            "color-string": "0.3.0"
+          }
+        },
+        "color-string": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/color-string/-/color-string-0.3.0.tgz",
+          "integrity": "sha1-J9RvtnAlxcL6JZk7+/V55HhBuZE=",
+          "requires": {
+            "color-name": "1.1.3"
+          }
+        }
+      }
+    },
+    "colors": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.1.2.tgz",
+      "integrity": "sha1-FopHAXVran9RoSzgyXv6KMCE7WM="
+    },
     "combined-stream": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.5.tgz",
@@ -1317,6 +1467,59 @@
         }
       }
     },
+    "css-color-names": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/css-color-names/-/css-color-names-0.0.4.tgz",
+      "integrity": "sha1-gIrcLnnPhHOAabZGyyDsJ762KeA="
+    },
+    "cssnano": {
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/cssnano/-/cssnano-3.10.0.tgz",
+      "integrity": "sha1-Tzj2zqK5sX+gFJDyPx3GjqZcHDg=",
+      "requires": {
+        "autoprefixer": "6.7.7",
+        "decamelize": "1.2.0",
+        "defined": "1.0.0",
+        "has": "1.0.1",
+        "object-assign": "4.1.1",
+        "postcss": "5.2.18",
+        "postcss-calc": "5.3.1",
+        "postcss-colormin": "2.2.2",
+        "postcss-convert-values": "2.6.1",
+        "postcss-discard-comments": "2.0.4",
+        "postcss-discard-duplicates": "2.1.0",
+        "postcss-discard-empty": "2.1.0",
+        "postcss-discard-overridden": "0.1.1",
+        "postcss-discard-unused": "2.2.3",
+        "postcss-filter-plugins": "2.0.2",
+        "postcss-merge-idents": "2.1.7",
+        "postcss-merge-longhand": "2.0.2",
+        "postcss-merge-rules": "2.1.2",
+        "postcss-minify-font-values": "1.0.5",
+        "postcss-minify-gradients": "1.0.5",
+        "postcss-minify-params": "1.2.2",
+        "postcss-minify-selectors": "2.1.1",
+        "postcss-normalize-charset": "1.1.1",
+        "postcss-normalize-url": "3.0.8",
+        "postcss-ordered-values": "2.2.3",
+        "postcss-reduce-idents": "2.4.0",
+        "postcss-reduce-initial": "1.0.1",
+        "postcss-reduce-transforms": "1.0.4",
+        "postcss-svgo": "2.1.6",
+        "postcss-unique-selectors": "2.0.2",
+        "postcss-value-parser": "3.3.0",
+        "postcss-zindex": "2.2.0"
+      }
+    },
+    "csso": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/csso/-/csso-2.3.2.tgz",
+      "integrity": "sha1-3dUsWHAz9J6Utx/FVWnyUuj/X4U=",
+      "requires": {
+        "clap": "1.2.3",
+        "source-map": "0.5.7"
+      }
+    },
     "cssom": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/cssom/-/cssom-0.3.2.tgz",
@@ -1351,8 +1554,7 @@
     "decamelize": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
-      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
-      "dev": true
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
     },
     "deep-is": {
       "version": "0.1.2",
@@ -1368,6 +1570,11 @@
         "strip-bom": "2.0.0"
       }
     },
+    "defined": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/defined/-/defined-1.0.0.tgz",
+      "integrity": "sha1-yY2bzvdWdBiOEQlpFRGZ45sfppM="
+    },
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
@@ -1756,6 +1963,11 @@
         "locate-path": "2.0.0"
       }
     },
+    "flatten": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/flatten/-/flatten-1.0.2.tgz",
+      "integrity": "sha1-2uRqnXj74lKSJYzB54CkHZXAN4I="
+    },
     "for-in": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
@@ -2733,6 +2945,11 @@
         }
       }
     },
+    "function-bind": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
+      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A=="
+    },
     "get-caller-file": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.2.tgz",
@@ -2862,6 +3079,14 @@
         "har-schema": "2.0.0"
       }
     },
+    "has": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/has/-/has-1.0.1.tgz",
+      "integrity": "sha1-hGFzP1OLCDfJNh45qauelwTcLyg=",
+      "requires": {
+        "function-bind": "1.1.1"
+      }
+    },
     "has-ansi": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
@@ -2911,6 +3136,11 @@
       "integrity": "sha512-pNgbURSuab90KbTqvRPsseaTxOJCZBD0a7t+haSN33piP9cCM4l0CqdzAif2hUqm716UovKB2ROmiabGAKVXyg==",
       "dev": true
     },
+    "html-comment-regex": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/html-comment-regex/-/html-comment-regex-1.1.1.tgz",
+      "integrity": "sha1-ZouTd26q5V696POtRkswekljYl4="
+    },
     "html-encoding-sniffer": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/html-encoding-sniffer/-/html-encoding-sniffer-1.0.2.tgz",
@@ -2959,6 +3189,11 @@
       "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o=",
       "dev": true
     },
+    "indexes-of": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/indexes-of/-/indexes-of-1.0.1.tgz",
+      "integrity": "sha1-8w9xbI4r00bHtn0985FVZqfAVgc="
+    },
     "inflight": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -2997,6 +3232,11 @@
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.5.2.tgz",
       "integrity": "sha1-1LUFvemUaYfM8PxY2QEP+WB+P6A="
     },
+    "is-absolute-url": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-absolute-url/-/is-absolute-url-2.1.0.tgz",
+      "integrity": "sha1-UFMN+4T8yap9vnhS6Do3uTufKqY="
+    },
     "is-arrayish": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.1.tgz",
@@ -3085,6 +3325,11 @@
         "kind-of": "3.2.2"
       }
     },
+    "is-plain-obj": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-1.1.0.tgz",
+      "integrity": "sha1-caUMhCnfync8kqOQpKA7OfzVHT4="
+    },
     "is-plain-object": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-2.0.4.tgz",
@@ -3117,6 +3362,14 @@
       "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
       "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ="
     },
+    "is-svg": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-svg/-/is-svg-2.1.0.tgz",
+      "integrity": "sha1-z2EJDaDZ77yrhyLeum8DIgjbsOk=",
+      "requires": {
+        "html-comment-regex": "1.1.1"
+      }
+    },
     "is-typedarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
@@ -3821,6 +4074,11 @@
         "pretty-format": "21.2.1"
       }
     },
+    "js-base64": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/js-base64/-/js-base64-2.4.3.tgz",
+      "integrity": "sha512-H7ErYLM34CvDMto3GbD6xD0JLUGYXR3QTcH6B/tr4Hi/QpSThnCsIp+Sy5FRTw3B0d6py4HcNkW7nO/wdtGWEw=="
+    },
     "js-tokens": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz",
@@ -4006,6 +4264,16 @@
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
       "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
     },
+    "lodash.memoize": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz",
+      "integrity": "sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4="
+    },
+    "lodash.uniq": {
+      "version": "4.5.0",
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+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz",
+      "integrity": "sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM="
+    },
     "string-length": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/string-length/-/string-length-2.0.0.tgz",
@@ -5270,6 +5939,36 @@
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
       "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
     },
+    "svgo": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/svgo/-/svgo-0.7.2.tgz",
+      "integrity": "sha1-n1dyQTlSE1xv779Ar+ak+qiLS7U=",
+      "requires": {
+        "coa": "1.0.4",
+        "colors": "1.1.2",
+        "csso": "2.3.2",
+        "js-yaml": "3.7.0",
+        "mkdirp": "0.5.1",
+        "sax": "1.2.4",
+        "whet.extend": "0.9.9"
+      },
+      "dependencies": {
+        "esprima": {
+          "version": "2.7.3",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
+          "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE="
+        },
+        "js-yaml": {
+          "version": "3.7.0",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.7.0.tgz",
+          "integrity": "sha1-XJZ93YN6m/3KXy3oQlOr6KHAO4A=",
+          "requires": {
+            "argparse": "1.0.9",
+            "esprima": "2.7.3"
+          }
+        }
+      }
+    },
     "symbol-tree": {
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.2.tgz",
@@ -5441,6 +6140,24 @@
       "resolved": "https://registry.npmjs.org/underscore.string/-/underscore.string-2.4.0.tgz",
       "integrity": "sha1-jN2PusTi0uoefi6Al8QvRCKA+Fs="
     },
+    "uniq": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/uniq/-/uniq-1.0.1.tgz",
+      "integrity": "sha1-sxxa6CVIRKOoKBVBzisEuGWnNP8="
+    },
+    "uniqid": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/uniqid/-/uniqid-4.1.1.tgz",
+      "integrity": "sha1-iSIN32t1GuUrX3JISGNShZa7hME=",
+      "requires": {
+        "macaddress": "0.2.8"
+      }
+    },
+    "uniqs": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/uniqs/-/uniqs-2.0.0.tgz",
+      "integrity": "sha1-/+3ks2slKQaW5uFl1KWe25mOawI="
+    },
     "universalify": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.1.tgz",
@@ -5486,6 +6203,11 @@
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
+    "vendors": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/vendors/-/vendors-1.0.1.tgz",
+      "integrity": "sha1-N61zyO5Bf7PVgOeFMSMH0nSEfyI="
+    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
@@ -5561,6 +6283,11 @@
         }
       }
     },
+    "whet.extend": {
+      "version": "0.9.9",
+      "resolved": "https://registry.npmjs.org/whet.extend/-/whet.extend-0.9.9.tgz",
+      "integrity": "sha1-+HfVv2SMl+WqVC+twW1qJZucEaE="
+    },
     "which": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.0.tgz",
diff --git a/package.json b/package.json
index c074d4bfea..8cc4ebe948 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
   "dependencies": {
     "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
+    "babel-polyfill": "^6.26.0",
     "babel-preset-env": "^1.6.0",
     "babel-preset-react": "^6.24.1",
     "babel-register": "^6.24.1",
@@ -36,6 +37,7 @@
     "color": "^2.0.1",
     "commander": "^2.11.0",
     "crowdin-cli": "^0.3.0",
+    "cssnano": "^3.10.0",
     "escape-string-regexp": "^1.0.5",
     "express": "^4.15.3",
     "feed": "^1.1.0",
diff --git a/yarn.lock b/yarn.lock
index 4403d81487..e0e0c473f8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -51,6 +51,10 @@ align-text@^0.1.1, align-text@^0.1.3:
     longest "^1.0.1"
     repeat-string "^1.5.2"
 
+alphanum-sort@^1.0.1, alphanum-sort@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/alphanum-sort/-/alphanum-sort-1.0.2.tgz#97a1119649b211ad33691d9f9f486a8ec9fbe0a3"
+
 amdefine@>=0.0.4:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
@@ -188,6 +192,17 @@ autolinker@~0.15.0:
   version "0.15.3"
   resolved "https://registry.yarnpkg.com/autolinker/-/autolinker-0.15.3.tgz#342417d8f2f3461b14cf09088d5edf8791dc9832"
 
+autoprefixer@^6.3.1:
+  version "6.7.7"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-6.7.7.tgz#1dbd1c835658e35ce3f9984099db00585c782014"
+  dependencies:
+    browserslist "^1.7.6"
+    caniuse-db "^1.0.30000634"
+    normalize-range "^0.1.2"
+    num2fraction "^1.2.2"
+    postcss "^5.2.16"
+    postcss-value-parser "^3.2.3"
+
 aws-sign2@~0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
@@ -661,6 +676,14 @@ babel-plugin-transform-strict-mode@^6.24.1:
     babel-runtime "^6.22.0"
     babel-types "^6.24.1"
 
+babel-polyfill@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-polyfill/-/babel-polyfill-6.26.0.tgz#379937abc67d7895970adc621f284cd966cf2153"
+  dependencies:
+    babel-runtime "^6.26.0"
+    core-js "^2.5.0"
+    regenerator-runtime "^0.10.5"
+
 babel-preset-env@^1.6.0:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/babel-preset-env/-/babel-preset-env-1.6.1.tgz#a18b564cc9b9afdf4aae57ae3c1b0d99188e6f48"
@@ -776,6 +799,10 @@ babylon@^6.17.4, babylon@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
 
+balanced-match@^0.4.2:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
+
 balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
@@ -850,6 +877,13 @@ browser-resolve@^1.11.2:
   dependencies:
     resolve "1.1.7"
 
+browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
+  version "1.7.7"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.7.tgz#0bd76704258be829b2398bb50e4b62d1a166b0b9"
+  dependencies:
+    caniuse-db "^1.0.30000639"
+    electron-to-chromium "^1.2.7"
+
 browserslist@^2.1.2:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-2.5.1.tgz#68e4bc536bbcc6086d62843a2ffccea8396821c6"
@@ -887,6 +921,19 @@ camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
 
+caniuse-api@^1.5.2:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-1.6.1.tgz#b534e7c734c4f81ec5fbe8aca2ad24354b962c6c"
+  dependencies:
+    browserslist "^1.3.6"
+    caniuse-db "^1.0.30000529"
+    lodash.memoize "^4.1.2"
+    lodash.uniq "^4.5.0"
+
+caniuse-db@^1.0.30000529, caniuse-db@^1.0.30000634, caniuse-db@^1.0.30000639:
+  version "1.0.30000830"
+  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000830.tgz#6e45255b345649fd15ff59072da1e12bb3de2f13"
+
 caniuse-lite@^1.0.30000744:
   version "1.0.30000749"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000749.tgz#2ff382865aead8cca35dacfbab04f58effa4c01c"
@@ -924,6 +971,12 @@ ci-info@^1.0.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.1.2.tgz#03561259db48d0474c8bdc90f5b47b068b6bbfb4"
 
+clap@^1.0.9:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/clap/-/clap-1.2.3.tgz#4f36745b32008492557f46412d66d50cb99bce51"
+  dependencies:
+    chalk "^1.1.3"
+
 classnames@^2.2.5:
   version "2.2.5"
   resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.5.tgz#fb3801d453467649ef3603c7d61a02bd129bde6d"
@@ -944,10 +997,20 @@ cliui@^3.2.0:
     strip-ansi "^3.0.1"
     wrap-ansi "^2.0.0"
 
+clone@^1.0.2:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.4.tgz#da309cc263df15994c688ca902179ca3c7cd7c7e"
+
 co@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
 
+coa@~1.0.1:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/coa/-/coa-1.0.4.tgz#a9ef153660d6a86a8bdec0289a5c684d217432fd"
+  dependencies:
+    q "^1.1.2"
+
 code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
@@ -956,22 +1019,28 @@ coffee-script@^1.12.4:
   version "1.12.7"
   resolved "https://registry.yarnpkg.com/coffee-script/-/coffee-script-1.12.7.tgz#c05dae0cb79591d05b3070a8433a98c9a89ccc53"
 
+color-convert@^1.3.0, color-convert@^1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.1.tgz#c1261107aeb2f294ebffec9ed9ecad529a6097ed"
+  dependencies:
+    color-name "^1.1.1"
+
 color-convert@^1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.0.tgz#1accf97dd739b983bf994d56fec8f95853641b7a"
   dependencies:
     color-name "^1.1.1"
 
-color-convert@^1.9.1:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.1.tgz#c1261107aeb2f294ebffec9ed9ecad529a6097ed"
-  dependencies:
-    color-name "^1.1.1"
-
 color-name@^1.0.0, color-name@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
 
+color-string@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/color-string/-/color-string-0.3.0.tgz#27d46fb67025c5c2fa25993bfbf579e47841b991"
+  dependencies:
+    color-name "^1.0.0"
+
 color-string@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/color-string/-/color-string-1.5.2.tgz#26e45814bc3c9a7cbd6751648a41434514a773a9"
@@ -979,6 +1048,14 @@ color-string@^1.5.2:
     color-name "^1.0.0"
     simple-swizzle "^0.2.2"
 
+color@^0.11.0:
+  version "0.11.4"
+  resolved "https://registry.yarnpkg.com/color/-/color-0.11.4.tgz#6d7b5c74fb65e841cd48792ad1ed5e07b904d764"
+  dependencies:
+    clone "^1.0.2"
+    color-convert "^1.3.0"
+    color-string "^0.3.0"
+
 color@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/color/-/color-2.0.1.tgz#e4ed78a3c4603d0891eba5430b04b86314f4c839"
@@ -986,6 +1063,18 @@ color@^2.0.1:
     color-convert "^1.9.1"
     color-string "^1.5.2"
 
+colormin@^1.0.5:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/colormin/-/colormin-1.1.2.tgz#ea2f7420a72b96881a38aae59ec124a6f7298133"
+  dependencies:
+    color "^0.11.0"
+    css-color-names "0.0.4"
+    has "^1.0.1"
+
+colors@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
+
 combined-stream@^1.0.5, combined-stream@~1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.5.tgz#938370a57b4a51dea2c77c15d5c5fdf895164009"
@@ -1089,6 +1178,54 @@ cryptiles@3.x.x:
   dependencies:
     boom "5.x.x"
 
+css-color-names@0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/css-color-names/-/css-color-names-0.0.4.tgz#808adc2e79cf84738069b646cb20ec27beb629e0"
+
+cssnano@^3.10.0:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-3.10.0.tgz#4f38f6cea2b9b17fa01490f23f1dc68ea65c1c38"
+  dependencies:
+    autoprefixer "^6.3.1"
+    decamelize "^1.1.2"
+    defined "^1.0.0"
+    has "^1.0.1"
+    object-assign "^4.0.1"
+    postcss "^5.0.14"
+    postcss-calc "^5.2.0"
+    postcss-colormin "^2.1.8"
+    postcss-convert-values "^2.3.4"
+    postcss-discard-comments "^2.0.4"
+    postcss-discard-duplicates "^2.0.1"
+    postcss-discard-empty "^2.0.1"
+    postcss-discard-overridden "^0.1.1"
+    postcss-discard-unused "^2.2.1"
+    postcss-filter-plugins "^2.0.0"
+    postcss-merge-idents "^2.1.5"
+    postcss-merge-longhand "^2.0.1"
+    postcss-merge-rules "^2.0.3"
+    postcss-minify-font-values "^1.0.2"
+    postcss-minify-gradients "^1.0.1"
+    postcss-minify-params "^1.0.4"
+    postcss-minify-selectors "^2.0.4"
+    postcss-normalize-charset "^1.1.0"
+    postcss-normalize-url "^3.0.7"
+    postcss-ordered-values "^2.1.0"
+    postcss-reduce-idents "^2.2.2"
+    postcss-reduce-initial "^1.0.0"
+    postcss-reduce-transforms "^1.0.3"
+    postcss-svgo "^2.1.1"
+    postcss-unique-selectors "^2.0.2"
+    postcss-value-parser "^3.2.3"
+    postcss-zindex "^2.0.1"
+
+csso@~2.3.1:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/csso/-/csso-2.3.2.tgz#ddd52c587033f49e94b71fc55569f252e8ff5f85"
+  dependencies:
+    clap "^1.0.9"
+    source-map "^0.5.3"
+
 cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0":
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.3.2.tgz#b8036170c79f07a90ff2f16e22284027a243848b"
@@ -1121,7 +1258,7 @@ debug@^3.1.0:
   dependencies:
     ms "2.0.0"
 
-decamelize@^1.0.0, decamelize@^1.1.1:
+decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
@@ -1143,6 +1280,10 @@ default-require-extensions@^1.0.0:
   dependencies:
     strip-bom "^2.0.0"
 
+defined@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
+
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
@@ -1187,6 +1328,10 @@ ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
 
+electron-to-chromium@^1.2.7:
+  version "1.3.42"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.42.tgz#95c33bf01d0cc405556aec899fe61fd4d76ea0f9"
+
 electron-to-chromium@^1.3.24:
   version "1.3.27"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.27.tgz#78ecb8a399066187bb374eede35d9c70565a803d"
@@ -1232,6 +1377,10 @@ escodegen@^1.6.1:
   optionalDependencies:
     source-map "~0.5.6"
 
+esprima@^2.6.0:
+  version "2.7.3"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
+
 esprima@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
@@ -1436,6 +1585,10 @@ find-up@^2.0.0, find-up@^2.1.0:
   dependencies:
     locate-path "^2.0.0"
 
+flatten@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/flatten/-/flatten-1.0.2.tgz#dae46a9d78fbe25292258cc1e780a41d95c03782"
+
 for-in@^1.0.1, for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
@@ -1516,6 +1669,10 @@ fstream@^1.0.0, fstream@^1.0.10, fstream@^1.0.2:
     mkdirp ">=0.5 0"
     rimraf "2"
 
+function-bind@^1.0.2:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
+
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -1643,6 +1800,12 @@ has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
 
+has@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
+  dependencies:
+    function-bind "^1.0.2"
+
 hawk@3.1.3, hawk@~3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/hawk/-/hawk-3.1.3.tgz#078444bd7c1640b0fe540d2c9b73d59678e8e1c4"
@@ -1684,6 +1847,10 @@ hosted-git-info@^2.1.4:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.5.0.tgz#6d60e34b3abbc8313062c3b798ef8d901a07af3c"
 
+html-comment-regex@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/html-comment-regex/-/html-comment-regex-1.1.1.tgz#668b93776eaae55ebde8f3ad464b307a4963625e"
+
 html-encoding-sniffer@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/html-encoding-sniffer/-/html-encoding-sniffer-1.0.2.tgz#e70d84b94da53aa375e11fe3a351be6642ca46f8"
@@ -1723,6 +1890,10 @@ imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
 
+indexes-of@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/indexes-of/-/indexes-of-1.0.1.tgz#f30f716c8e2bd346c7b67d3df3915566a7c05607"
+
 inflight@^1.0.4:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
@@ -1756,6 +1927,10 @@ ipaddr.js@1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.5.2.tgz#d4b505bde9946987ccf0fc58d9010ff9607e3fa0"
 
+is-absolute-url@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-absolute-url/-/is-absolute-url-2.1.0.tgz#50530dfb84fcc9aa7dbe7852e83a37b93b9f2aa6"
+
 is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
@@ -1838,6 +2013,10 @@ is-number@^3.0.0:
   dependencies:
     kind-of "^3.0.2"
 
+is-plain-obj@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
+
 is-plain-object@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
@@ -1856,6 +2035,12 @@ is-stream@^1.0.1, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
+is-svg@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-svg/-/is-svg-2.1.0.tgz#cf61090da0d9efbcab8722deba6f032208dbb0e9"
+  dependencies:
+    html-comment-regex "^1.1.0"
+
 is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
@@ -2187,6 +2372,10 @@ jest@^21.2.1:
   dependencies:
     jest-cli "^21.2.1"
 
+js-base64@^2.1.9:
+  version "2.4.3"
+  resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.4.3.tgz#2e545ec2b0f2957f41356510205214e98fad6582"
+
 js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
@@ -2205,6 +2394,13 @@ js-yaml@^3.8.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
+js-yaml@~3.7.0:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.7.0.tgz#5c967ddd837a9bfdca5f2de84253abe8a1c03b80"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^2.6.0"
+
 jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
@@ -2356,6 +2552,14 @@ locate-path@^2.0.0:
     p-locate "^2.0.0"
     path-exists "^3.0.0"
 
+lodash.memoize@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
+
+lodash.uniq@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
+
 lodash@^4.14.0, lodash@^4.17.4:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
@@ -2377,6 +2581,10 @@ lru-cache@^4.0.1:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
 
+macaddress@^0.2.8:
+  version "0.2.8"
+  resolved "https://registry.yarnpkg.com/macaddress/-/macaddress-0.2.8.tgz#5904dc537c39ec6dbefeae902327135fa8511f12"
+
 makeerror@1.0.x:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/makeerror/-/makeerror-1.0.11.tgz#e01a5c9109f2af79660e4e8b9587790184f5a96c"
@@ -2404,6 +2612,10 @@ markdown-toc@^1.2.0:
     repeat-string "^1.6.1"
     strip-color "^0.1.0"
 
+math-expression-evaluator@^1.2.14:
+  version "1.2.17"
+  resolved "https://registry.yarnpkg.com/math-expression-evaluator/-/math-expression-evaluator-1.2.17.tgz#de819fdbcd84dccd8fae59c6aeb79615b9d266ac"
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
@@ -2487,7 +2699,7 @@ mixin-deep@^1.1.3:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-"mkdirp@>=0.5 0", mkdirp@^0.5.1:
+"mkdirp@>=0.5 0", mkdirp@^0.5.1, mkdirp@~0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
@@ -2567,6 +2779,19 @@ normalize-path@^2.0.0, normalize-path@^2.0.1:
   dependencies:
     remove-trailing-separator "^1.0.1"
 
+normalize-range@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/normalize-range/-/normalize-range-0.1.2.tgz#2d10c06bdfd312ea9777695a4d28439456b75942"
+
+normalize-url@^1.4.0:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-1.9.1.tgz#2cc0d66b31ea23036458436e3620d85954c66c3c"
+  dependencies:
+    object-assign "^4.0.1"
+    prepend-http "^1.0.0"
+    query-string "^4.1.0"
+    sort-keys "^1.0.0"
+
 npm-run-path@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/npm-run-path/-/npm-run-path-2.0.2.tgz#35a9232dfa35d7067b4cb2ddf2357b1871536c5f"
@@ -2582,6 +2807,10 @@ npmlog@^4.0.2:
     gauge "~2.7.3"
     set-blocking "~2.0.0"
 
+num2fraction@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/num2fraction/-/num2fraction-1.2.2.tgz#6f682b6a027a4e9ddfa4564cd2589d1d4e669ede"
+
 number-is-nan@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
@@ -2594,7 +2823,7 @@ oauth-sign@~0.8.1, oauth-sign@~0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
-object-assign@^4.1.0, object-assign@^4.1.1:
+object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
 
@@ -2771,10 +3000,225 @@ pinkie@^2.0.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
 
+postcss-calc@^5.2.0:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/postcss-calc/-/postcss-calc-5.3.1.tgz#77bae7ca928ad85716e2fda42f261bf7c1d65b5e"
+  dependencies:
+    postcss "^5.0.2"
+    postcss-message-helpers "^2.0.0"
+    reduce-css-calc "^1.2.6"
+
+postcss-colormin@^2.1.8:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/postcss-colormin/-/postcss-colormin-2.2.2.tgz#6631417d5f0e909a3d7ec26b24c8a8d1e4f96e4b"
+  dependencies:
+    colormin "^1.0.5"
+    postcss "^5.0.13"
+    postcss-value-parser "^3.2.3"
+
+postcss-convert-values@^2.3.4:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/postcss-convert-values/-/postcss-convert-values-2.6.1.tgz#bbd8593c5c1fd2e3d1c322bb925dcae8dae4d62d"
+  dependencies:
+    postcss "^5.0.11"
+    postcss-value-parser "^3.1.2"
+
+postcss-discard-comments@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/postcss-discard-comments/-/postcss-discard-comments-2.0.4.tgz#befe89fafd5b3dace5ccce51b76b81514be00e3d"
+  dependencies:
+    postcss "^5.0.14"
+
+postcss-discard-duplicates@^2.0.1:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/postcss-discard-duplicates/-/postcss-discard-duplicates-2.1.0.tgz#b9abf27b88ac188158a5eb12abcae20263b91932"
+  dependencies:
+    postcss "^5.0.4"
+
+postcss-discard-empty@^2.0.1:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/postcss-discard-empty/-/postcss-discard-empty-2.1.0.tgz#d2b4bd9d5ced5ebd8dcade7640c7d7cd7f4f92b5"
+  dependencies:
+    postcss "^5.0.14"
+
+postcss-discard-overridden@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/postcss-discard-overridden/-/postcss-discard-overridden-0.1.1.tgz#8b1eaf554f686fb288cd874c55667b0aa3668d58"
+  dependencies:
+    postcss "^5.0.16"
+
+postcss-discard-unused@^2.2.1:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/postcss-discard-unused/-/postcss-discard-unused-2.2.3.tgz#bce30b2cc591ffc634322b5fb3464b6d934f4433"
+  dependencies:
+    postcss "^5.0.14"
+    uniqs "^2.0.0"
+
+postcss-filter-plugins@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-filter-plugins/-/postcss-filter-plugins-2.0.2.tgz#6d85862534d735ac420e4a85806e1f5d4286d84c"
+  dependencies:
+    postcss "^5.0.4"
+    uniqid "^4.0.0"
+
+postcss-merge-idents@^2.1.5:
+  version "2.1.7"
+  resolved "https://registry.yarnpkg.com/postcss-merge-idents/-/postcss-merge-idents-2.1.7.tgz#4c5530313c08e1d5b3bbf3d2bbc747e278eea270"
+  dependencies:
+    has "^1.0.1"
+    postcss "^5.0.10"
+    postcss-value-parser "^3.1.1"
+
+postcss-merge-longhand@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-merge-longhand/-/postcss-merge-longhand-2.0.2.tgz#23d90cd127b0a77994915332739034a1a4f3d658"
+  dependencies:
+    postcss "^5.0.4"
+
+postcss-merge-rules@^2.0.3:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/postcss-merge-rules/-/postcss-merge-rules-2.1.2.tgz#d1df5dfaa7b1acc3be553f0e9e10e87c61b5f721"
+  dependencies:
+    browserslist "^1.5.2"
+    caniuse-api "^1.5.2"
+    postcss "^5.0.4"
+    postcss-selector-parser "^2.2.2"
+    vendors "^1.0.0"
+
+postcss-message-helpers@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-message-helpers/-/postcss-message-helpers-2.0.0.tgz#a4f2f4fab6e4fe002f0aed000478cdf52f9ba60e"
+
+postcss-minify-font-values@^1.0.2:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/postcss-minify-font-values/-/postcss-minify-font-values-1.0.5.tgz#4b58edb56641eba7c8474ab3526cafd7bbdecb69"
+  dependencies:
+    object-assign "^4.0.1"
+    postcss "^5.0.4"
+    postcss-value-parser "^3.0.2"
+
+postcss-minify-gradients@^1.0.1:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/postcss-minify-gradients/-/postcss-minify-gradients-1.0.5.tgz#5dbda11373703f83cfb4a3ea3881d8d75ff5e6e1"
+  dependencies:
+    postcss "^5.0.12"
+    postcss-value-parser "^3.3.0"
+
+postcss-minify-params@^1.0.4:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/postcss-minify-params/-/postcss-minify-params-1.2.2.tgz#ad2ce071373b943b3d930a3fa59a358c28d6f1f3"
+  dependencies:
+    alphanum-sort "^1.0.1"
+    postcss "^5.0.2"
+    postcss-value-parser "^3.0.2"
+    uniqs "^2.0.0"
+
+postcss-minify-selectors@^2.0.4:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/postcss-minify-selectors/-/postcss-minify-selectors-2.1.1.tgz#b2c6a98c0072cf91b932d1a496508114311735bf"
+  dependencies:
+    alphanum-sort "^1.0.2"
+    has "^1.0.1"
+    postcss "^5.0.14"
+    postcss-selector-parser "^2.0.0"
+
+postcss-normalize-charset@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-charset/-/postcss-normalize-charset-1.1.1.tgz#ef9ee71212d7fe759c78ed162f61ed62b5cb93f1"
+  dependencies:
+    postcss "^5.0.5"
+
+postcss-normalize-url@^3.0.7:
+  version "3.0.8"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-url/-/postcss-normalize-url-3.0.8.tgz#108f74b3f2fcdaf891a2ffa3ea4592279fc78222"
+  dependencies:
+    is-absolute-url "^2.0.0"
+    normalize-url "^1.4.0"
+    postcss "^5.0.14"
+    postcss-value-parser "^3.2.3"
+
+postcss-ordered-values@^2.1.0:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/postcss-ordered-values/-/postcss-ordered-values-2.2.3.tgz#eec6c2a67b6c412a8db2042e77fe8da43f95c11d"
+  dependencies:
+    postcss "^5.0.4"
+    postcss-value-parser "^3.0.1"
+
+postcss-reduce-idents@^2.2.2:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/postcss-reduce-idents/-/postcss-reduce-idents-2.4.0.tgz#c2c6d20cc958284f6abfbe63f7609bf409059ad3"
+  dependencies:
+    postcss "^5.0.4"
+    postcss-value-parser "^3.0.2"
+
+postcss-reduce-initial@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-reduce-initial/-/postcss-reduce-initial-1.0.1.tgz#68f80695f045d08263a879ad240df8dd64f644ea"
+  dependencies:
+    postcss "^5.0.4"
+
+postcss-reduce-transforms@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/postcss-reduce-transforms/-/postcss-reduce-transforms-1.0.4.tgz#ff76f4d8212437b31c298a42d2e1444025771ae1"
+  dependencies:
+    has "^1.0.1"
+    postcss "^5.0.8"
+    postcss-value-parser "^3.0.1"
+
+postcss-selector-parser@^2.0.0, postcss-selector-parser@^2.2.2:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-2.2.3.tgz#f9437788606c3c9acee16ffe8d8b16297f27bb90"
+  dependencies:
+    flatten "^1.0.2"
+    indexes-of "^1.0.1"
+    uniq "^1.0.1"
+
+postcss-svgo@^2.1.1:
+  version "2.1.6"
+  resolved "https://registry.yarnpkg.com/postcss-svgo/-/postcss-svgo-2.1.6.tgz#b6df18aa613b666e133f08adb5219c2684ac108d"
+  dependencies:
+    is-svg "^2.0.0"
+    postcss "^5.0.14"
+    postcss-value-parser "^3.2.3"
+    svgo "^0.7.0"
+
+postcss-unique-selectors@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-unique-selectors/-/postcss-unique-selectors-2.0.2.tgz#981d57d29ddcb33e7b1dfe1fd43b8649f933ca1d"
+  dependencies:
+    alphanum-sort "^1.0.1"
+    postcss "^5.0.4"
+    uniqs "^2.0.0"
+
+postcss-value-parser@^3.0.1, postcss-value-parser@^3.0.2, postcss-value-parser@^3.1.1, postcss-value-parser@^3.1.2, postcss-value-parser@^3.2.3, postcss-value-parser@^3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.0.tgz#87f38f9f18f774a4ab4c8a232f5c5ce8872a9d15"
+
+postcss-zindex@^2.0.1:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/postcss-zindex/-/postcss-zindex-2.2.0.tgz#d2109ddc055b91af67fc4cb3b025946639d2af22"
+  dependencies:
+    has "^1.0.1"
+    postcss "^5.0.4"
+    uniqs "^2.0.0"
+
+postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0.14, postcss@^5.0.16, postcss@^5.0.2, postcss@^5.0.4, postcss@^5.0.5, postcss@^5.0.8, postcss@^5.2.16:
+  version "5.2.18"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-5.2.18.tgz#badfa1497d46244f6390f58b319830d9107853c5"
+  dependencies:
+    chalk "^1.1.3"
+    js-base64 "^2.1.9"
+    source-map "^0.5.6"
+    supports-color "^3.2.3"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
 
+prepend-http@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
+
 preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
@@ -2839,6 +3283,10 @@ q@0.9.7:
   version "0.9.7"
   resolved "https://registry.yarnpkg.com/q/-/q-0.9.7.tgz#4de2e6cb3b29088c9e4cbc03bf9d42fb96ce2f75"
 
+q@^1.1.2:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/q/-/q-1.5.1.tgz#7e32f75b41381291d04611f1bf14109ac00651d7"
+
 qs@6.5.1, qs@~6.5.1:
   version "6.5.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
@@ -2847,6 +3295,13 @@ qs@~6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
 
+query-string@^4.1.0:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/query-string/-/query-string-4.3.4.tgz#bbb693b9ca915c232515b228b1a02b609043dbeb"
+  dependencies:
+    object-assign "^4.1.0"
+    strict-uri-encode "^1.0.0"
+
 randomatic@^1.1.3:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-1.1.7.tgz#c7abe9cc8b87c0baa876b19fde83fd464797e38c"
@@ -2959,10 +3414,28 @@ rechoir@^0.6.2:
   dependencies:
     resolve "^1.1.6"
 
+reduce-css-calc@^1.2.6:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/reduce-css-calc/-/reduce-css-calc-1.3.0.tgz#747c914e049614a4c9cfbba629871ad1d2927716"
+  dependencies:
+    balanced-match "^0.4.2"
+    math-expression-evaluator "^1.2.14"
+    reduce-function-call "^1.0.1"
+
+reduce-function-call@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/reduce-function-call/-/reduce-function-call-1.0.2.tgz#5a200bf92e0e37751752fe45b0ab330fd4b6be99"
+  dependencies:
+    balanced-match "^0.4.2"
+
 regenerate@^1.2.1:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.3.tgz#0c336d3980553d755c39b586ae3b20aa49c82b7f"
 
+regenerator-runtime@^0.10.5:
+  version "0.10.5"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
+
 regenerator-runtime@^0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.0.tgz#7e54fe5b5ccd5d6624ea6255c3473be090b802e1"
@@ -3126,7 +3599,7 @@ sane@^2.0.0:
   optionalDependencies:
     fsevents "^1.1.1"
 
-sax@^1.2.1:
+sax@^1.2.1, sax@~1.2.1:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
@@ -3238,6 +3711,12 @@ sntp@2.x.x:
   dependencies:
     hoek "4.x.x"
 
+sort-keys@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-1.1.2.tgz#441b6d4d346798f1b4e49e8920adfba0e543f9ad"
+  dependencies:
+    is-plain-obj "^1.0.0"
+
 source-map-support@^0.4.15:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
@@ -3294,6 +3773,10 @@ statuses@~1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
 
+strict-uri-encode@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
+
 string-length@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/string-length/-/string-length-2.0.0.tgz#d40dbb686a3ace960c1cffca562bf2c45f8363ed"
@@ -3364,7 +3847,7 @@ supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
 
-supports-color@^3.1.2:
+supports-color@^3.1.2, supports-color@^3.2.3:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
   dependencies:
@@ -3376,6 +3859,18 @@ supports-color@^4.0.0:
   dependencies:
     has-flag "^2.0.0"
 
+svgo@^0.7.0:
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/svgo/-/svgo-0.7.2.tgz#9f5772413952135c6fefbf40afe6a4faa88b4bb5"
+  dependencies:
+    coa "~1.0.1"
+    colors "~1.1.2"
+    csso "~2.3.1"
+    js-yaml "~3.7.0"
+    mkdirp "~0.5.1"
+    sax "~1.2.1"
+    whet.extend "~0.9.9"
+
 symbol-tree@^3.2.1:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
@@ -3515,6 +4010,20 @@ underscore@~1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.7.0.tgz#6bbaf0877500d36be34ecaa584e0db9fef035209"
 
+uniq@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/uniq/-/uniq-1.0.1.tgz#b31c5ae8254844a3a8281541ce2b04b865a734ff"
+
+uniqid@^4.0.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/uniqid/-/uniqid-4.1.1.tgz#89220ddf6b751ae52b5f72484863528596bb84c1"
+  dependencies:
+    macaddress "^0.2.8"
+
+uniqs@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/uniqs/-/uniqs-2.0.0.tgz#ffede4b36b25290696e6e165d4a59edb998e6b02"
+
 universalify@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.1.tgz#fa71badd4437af4c148841e3b3b165f9e9e590b7"
@@ -3550,6 +4059,10 @@ vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
 
+vendors@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/vendors/-/vendors-1.0.1.tgz#37ad73c8ee417fb3d580e785312307d274847f22"
+
 verror@1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"
@@ -3596,6 +4109,10 @@ whatwg-url@^4.3.0:
     tr46 "~0.0.3"
     webidl-conversions "^3.0.0"
 
+whet.extend@~0.9.9:
+  version "0.9.9"
+  resolved "https://registry.yarnpkg.com/whet.extend/-/whet.extend-0.9.9.tgz#f877d5bf648c97e5aa542fadc16d6a259b9c11a1"
+
 which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"