diff --git a/package.json b/package.json
index bbcbced902..ab1acc28da 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
     "@types/underscore": "1.8.18",
     "@types/webpack": "4.4.32",
     "@types/webpack-dev-server": "3.1.6",
+    "autoprefixer": "^9.6.1",
     "autosize": "4.0.2",
     "babel-loader": "^8.0.6",
     "blueimp-md5": "2.10.0",
@@ -20,6 +21,7 @@
     "clipboard": "2.0.4",
     "core-js": "^3.0.1",
     "css-loader": "2.1.1",
+    "cssnano": "^4.1.10",
     "emoji-datasource-google": "4.0.4",
     "emoji-datasource-google-blob": "npm:emoji-datasource-google@3.0.0",
     "emoji-datasource-twitter": "4.0.4",
@@ -41,8 +43,11 @@
     "moment": "2.24.0",
     "moment-timezone": "0.5.25",
     "plotly.js": "1.48.1",
-    "sass": "^1.22.10",
-    "sass-loader": "7.1.0",
+    "postcss-extend-rule": "^3.0.0",
+    "postcss-loader": "^3.0.0",
+    "postcss-nested": "^4.1.2",
+    "postcss-scss": "^2.0.0",
+    "postcss-simple-vars": "^5.0.2",
     "script-loader": "0.7.2",
     "shebang-loader": "^0.0.1",
     "simplebar": "^4.1.0",
diff --git a/postcss.config.js b/postcss.config.js
new file mode 100644
index 0000000000..76856fa977
--- /dev/null
+++ b/postcss.config.js
@@ -0,0 +1,11 @@
+module.exports = ({ file, options }) => ({
+    parser: file.extname === ".scss" ? "postcss-scss" : false,
+    plugins: {
+        // Warning: despite appearances, order is significant
+        "postcss-nested": {},
+        "postcss-extend-rule": {},
+        "postcss-simple-vars": {},
+        autoprefixer: {},
+        cssnano: options.env === "production" ? {} : false,
+    },
+});
diff --git a/static/styles/drafts.scss b/static/styles/drafts.scss
index 5da8844ce1..5609d6447b 100644
--- a/static/styles/drafts.scss
+++ b/static/styles/drafts.scss
@@ -22,10 +22,8 @@
     }
 
     .drafts-header {
-        padding: {
-            top: 4px;
-            bottom: 8px;
-        }
+        padding-top: 4px;
+        padding-bottom: 8px;
         text-align: center;
         border-bottom: 1px solid hsl(0, 0%, 87%);
 
diff --git a/static/styles/portico/portico-styles.scss b/static/styles/portico/portico-styles.scss
index e90dc44b72..a324de1dcc 100644
--- a/static/styles/portico/portico-styles.scss
+++ b/static/styles/portico/portico-styles.scss
@@ -1,4 +1,4 @@
-@import "../components";
-@import "portico";
-@import "portico-signin";
-@import "markdown";
+@import "../components.scss";
+@import "portico.scss";
+@import "portico-signin.scss";
+@import "markdown.scss";
diff --git a/static/styles/reuseable_components.scss b/static/styles/reuseable_components.scss
deleted file mode 100644
index c0d483d88a..0000000000
--- a/static/styles/reuseable_components.scss
+++ /dev/null
@@ -1,7 +0,0 @@
-@mixin prefixed-user-select($value) {
-    -webkit-touch-callout: $value;
-    -webkit-user-select: $value;
-    -moz-user-select: $value;
-    -ms-user-select: $value;
-    user-select: $value;
-}
diff --git a/static/styles/user_status.scss b/static/styles/user_status.scss
index 6d75026cc2..a8c4961eaf 100644
--- a/static/styles/user_status.scss
+++ b/static/styles/user_status.scss
@@ -14,10 +14,8 @@
     };
 
     .user-status-header {
-        padding: {
-            top: 4px;
-            bottom: 4px;
-        }
+        padding-top: 4px;
+        padding-bottom: 4px;
         height: 5%;
         width: 100%;
         text-align: center;
diff --git a/static/styles/zulip.scss b/static/styles/zulip.scss
index ce25d3838a..b59a58e5ea 100644
--- a/static/styles/zulip.scss
+++ b/static/styles/zulip.scss
@@ -1,5 +1,3 @@
-@import './reuseable_components.scss';
-
 body,
 html {
     width: 100%;
@@ -42,15 +40,15 @@ a {
 }
 
 .no-select {
-    @include prefixed-user-select(none);
+    user-select: none;
 }
 
 .auto-select {
-    @include prefixed-user-select(auto);
+    user-select: auto;
 }
 
 .text-select {
-    @include prefixed-user-select(text);
+    user-select: text;
 }
 
 p.n-margin {
@@ -567,7 +565,7 @@ td.pointer {
     position: absolute;
     left: 0px;
     top: 16px;
-    @include prefixed-user-select(none);
+    user-select: none;
 }
 
 .include-sender .message_time {
diff --git a/tools/webpack.config.ts b/tools/webpack.config.ts
index a494524237..c62233bd7f 100644
--- a/tools/webpack.config.ts
+++ b/tools/webpack.config.ts
@@ -1,5 +1,4 @@
 import { resolve } from 'path';
-import * as Sass from 'sass';
 import * as BundleTracker from 'webpack-bundle-tracker';
 import * as webpack from 'webpack';
 // The devServer member of webpack.Configuration is managed by the
@@ -69,9 +68,10 @@ export default (env?: string): webpack.Configuration[] => {
                         },
                     ],
                 },
-                // sass / scss loader
+                // scss loader
                 {
-                    test: /\.(sass|scss)$/,
+                    test: /\.scss$/,
+                    include: resolve(__dirname, '../static/styles'),
                     use: [
                         {
                             loader: MiniCssExtractPlugin.loader,
@@ -83,14 +83,17 @@ export default (env?: string): webpack.Configuration[] => {
                         {
                             loader: 'css-loader',
                             options: {
+                                importLoaders: 1,
                                 sourceMap: true,
                             },
                         },
                         {
-                            loader: 'sass-loader',
+                            loader: 'postcss-loader',
                             options: {
-                                implementation: Sass,
                                 sourceMap: true,
+                                config: {
+                                    ctx: { env },
+                                },
                             },
                         },
                     ],
diff --git a/version.py b/version.py
index 2cb5e24c57..156d8c94bf 100644
--- a/version.py
+++ b/version.py
@@ -26,4 +26,4 @@ LATEST_RELEASE_ANNOUNCEMENT = "https://blog.zulip.org/2019/03/01/zulip-2-0-relea
 #   historical commits sharing the same major version, in which case a
 #   minor version bump suffices.
 
-PROVISION_VERSION = '53.0'
+PROVISION_VERSION = '54.0'
diff --git a/yarn.lock b/yarn.lock
index 641bc45834..77acd1d50a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1425,6 +1425,11 @@ alpha-shape@^1.0.0:
     alpha-complex "^1.0.0"
     simplicial-complex-boundary "^1.0.0"
 
+alphanum-sort@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/alphanum-sort/-/alphanum-sort-1.0.2.tgz#97a1119649b211ad33691d9f9f486a8ec9fbe0a3"
+  integrity sha1-l6ERlkmyEa0zaR2fn0hqjsn74KM=
+
 amdefine@>=0.0.4:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
@@ -1485,14 +1490,6 @@ anymatch@^2.0.0:
     micromatch "^3.1.4"
     normalize-path "^2.1.1"
 
-anymatch@^3.0.1:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-3.0.3.tgz#2fb624fe0e84bccab00afee3d0006ed310f22f09"
-  integrity sha512-c6IvoeBECQlMVuYUjSwimnhmztImpErfxJzWZhIQinIvQWoGOnB0dLIgifbPHQt5heS6mNlaZG16f06H3C8t1g==
-  dependencies:
-    normalize-path "^3.0.0"
-    picomatch "^2.0.4"
-
 append-transform@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/append-transform/-/append-transform-1.0.0.tgz#046a52ae582a228bd72f58acfbe2967c678759ab"
@@ -1705,6 +1702,19 @@ autoprefixer@^9.5.1:
     postcss "^7.0.16"
     postcss-value-parser "^3.3.1"
 
+autoprefixer@^9.6.1:
+  version "9.6.1"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.6.1.tgz#51967a02d2d2300bb01866c1611ec8348d355a47"
+  integrity sha512-aVo5WxR3VyvyJxcJC3h4FKfwCQvQWb1tSI5VHNibddCVWrcD1NvlxEweg3TSgiPztMnWfjpy2FURKA2kvDE+Tw==
+  dependencies:
+    browserslist "^4.6.3"
+    caniuse-lite "^1.0.30000980"
+    chalk "^2.4.2"
+    normalize-range "^0.1.2"
+    num2fraction "^1.2.2"
+    postcss "^7.0.17"
+    postcss-value-parser "^4.0.0"
+
 autosize@4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/autosize/-/autosize-4.0.2.tgz#073cfd07c8bf45da4b9fd153437f5bafbba1e4c9"
@@ -1808,11 +1818,6 @@ binary-extensions@^1.0.0:
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.11.0.tgz#46aa1751fb6a2f93ee5e689bb1087d4b14c6c205"
   integrity sha1-RqoXUftqL5PuXmibsQh9SxTGwgU=
 
-binary-extensions@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-2.0.0.tgz#23c0df14f6a88077f5f986c0d167ec03c3d5537c"
-  integrity sha512-Phlt0plgpIIBOGTT/ehfFnbNlfsDEiqmzE2KRXoX1bLIlir4X/MR+zSyBEkL05ffWgnRSf/DXv+WrUAVr93/ow==
-
 binary-search-bounds@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/binary-search-bounds/-/binary-search-bounds-1.0.0.tgz#323ca317e3f2a40f4244c7255f5384a5b207bb69"
@@ -1952,7 +1957,7 @@ braces@^2.3.0, braces@^2.3.1, braces@^2.3.2:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
-braces@^3.0.1, braces@^3.0.2:
+braces@^3.0.1:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.2.tgz#3454e1a462ee8d599e236df336cd9ea4f8afe107"
   integrity sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==
@@ -2038,7 +2043,7 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserslist@^4.6.0, browserslist@^4.6.2:
+browserslist@^4.0.0, browserslist@^4.6.0, browserslist@^4.6.2, browserslist@^4.6.3:
   version "4.6.6"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.6.6.tgz#6e4bf467cde520bc9dbdf3747dafa03531cec453"
   integrity sha512-D2Nk3W9JL9Fp/gIcWei8LrERCS+eXu9AM5cfXA8WEZ84lFks+ARnZ0q/R69m2SV3Wjma83QDDPxsNKXUwdIsyA==
@@ -2260,6 +2265,21 @@ can-use-dom@^0.1.0:
   resolved "https://registry.yarnpkg.com/can-use-dom/-/can-use-dom-0.1.0.tgz#22cc4a34a0abc43950f42c6411024a3f6366b45a"
   integrity sha1-IsxKNKCrxDlQ9CxkEQJKP2NmtFo=
 
+caniuse-api@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-3.0.0.tgz#5e4d90e2274961d46291997df599e3ed008ee4c0"
+  integrity sha512-bsTwuIg/BZZK/vreVTYYbSWoe2F+71P7K5QGEX+pT250DZbfU1MQ5prOKpPR+LL6uWKK3KMwMCAS74QB3Um1uw==
+  dependencies:
+    browserslist "^4.0.0"
+    caniuse-lite "^1.0.0"
+    lodash.memoize "^4.1.2"
+    lodash.uniq "^4.5.0"
+
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000980:
+  version "1.0.30000989"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000989.tgz#b9193e293ccf7e4426c5245134b8f2a56c0ac4b9"
+  integrity sha512-vrMcvSuMz16YY6GSVZ0dWDTJP8jqk3iFQ/Aq5iqblPwxSVVZI+zxDyTX0VPqtQsDnfdrBDcsmhgTEOh5R8Lbpw==
+
 caniuse-lite@^1.0.30000971:
   version "1.0.30000973"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000973.tgz#2f8e8e54f9e6c5b7a631c9e69bfa1093d8cfd360"
@@ -2364,21 +2384,6 @@ chardet@^0.7.0:
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
   integrity sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==
 
-"chokidar@>=2.0.0 <4.0.0":
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.0.2.tgz#0d1cd6d04eb2df0327446188cd13736a3367d681"
-  integrity sha512-c4PR2egjNjI1um6bamCQ6bUNPDiyofNQruHvKgHQ4gDUP/ITSVSzNsiI5OWtHOsX323i5ha/kk4YmOZ1Ktg7KA==
-  dependencies:
-    anymatch "^3.0.1"
-    braces "^3.0.2"
-    glob-parent "^5.0.0"
-    is-binary-path "^2.1.0"
-    is-glob "^4.0.1"
-    normalize-path "^3.0.0"
-    readdirp "^3.1.1"
-  optionalDependencies:
-    fsevents "^2.0.6"
-
 chokidar@^2.0.2:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.0.4.tgz#356ff4e2b0e8e43e322d18a372460bbcf3accd26"
@@ -2534,16 +2539,6 @@ cliui@^5.0.0:
     strip-ansi "^5.2.0"
     wrap-ansi "^5.1.0"
 
-clone-deep@^2.0.1:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/clone-deep/-/clone-deep-2.0.2.tgz#00db3a1e173656730d1188c3d6aced6d7ea97713"
-  integrity sha512-SZegPTKjCgpQH63E+eN6mVEEPdQBOUzjyJm5Pora4lrwWRFS8I0QAxV/KD6vV/i0WuijHZWQC1fMsPEdxfdVCQ==
-  dependencies:
-    for-own "^1.0.0"
-    is-plain-object "^2.0.4"
-    kind-of "^6.0.0"
-    shallow-clone "^1.0.0"
-
 clone-regexp@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/clone-regexp/-/clone-regexp-1.0.1.tgz#051805cd33173375d82118fc0918606da39fd60f"
@@ -2606,6 +2601,13 @@ color-convert@^1.9.0:
   dependencies:
     color-name "1.1.1"
 
+color-convert@^1.9.1:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+  integrity sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==
+  dependencies:
+    color-name "1.1.3"
+
 color-id@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/color-id/-/color-id-1.1.0.tgz#5e9159b99a73ac98f74820cb98a15fde3d7e034c"
@@ -2618,7 +2620,7 @@ color-name@1.1.1:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.1.tgz#4b1415304cf50028ea81643643bd82ea05803689"
   integrity sha1-SxQVMEz1ACjqgWQ2Q72C6gWANok=
 
-color-name@^1.0.0:
+color-name@1.1.3, color-name@^1.0.0:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
@@ -2667,6 +2669,22 @@ color-space@^1.14.6:
     hsluv "^0.0.3"
     mumath "^3.3.4"
 
+color-string@^1.5.2:
+  version "1.5.3"
+  resolved "https://registry.yarnpkg.com/color-string/-/color-string-1.5.3.tgz#c9bbc5f01b58b5492f3d6857459cb6590ce204cc"
+  integrity sha512-dC2C5qeWoYkxki5UAXapdjqO672AM4vZuPGRQfO8b5HKuKGBbKWpITyDYN7TOFKvRW7kOgAn3746clDBMDJyQw==
+  dependencies:
+    color-name "^1.0.0"
+    simple-swizzle "^0.2.2"
+
+color@^3.0.0:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/color/-/color-3.1.2.tgz#68148e7f85d41ad7649c5fa8c8106f098d229e10"
+  integrity sha512-vXTJhHebByxZn3lDvDJYw4lR5+uB3vuoHsuYA5AKuxRVn5wzzIfQKGLBmgdVRHKTJYeK5rvJcHnrd0Li49CFpg==
+  dependencies:
+    color-convert "^1.9.1"
+    color-string "^1.5.2"
+
 colormap@^2.3.1:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/colormap/-/colormap-2.3.1.tgz#9f2ab643591c0728d32332d5480b2487a4e0f249"
@@ -2904,7 +2922,7 @@ core-util-is@1.0.2, core-util-is@~1.0.0:
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
   integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
 
-cosmiconfig@^5.2.0:
+cosmiconfig@^5.0.0, cosmiconfig@^5.2.0:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/cosmiconfig/-/cosmiconfig-5.2.1.tgz#040f726809c591e77a17c0a3626ca45b4f168b1a"
   integrity sha512-H65gsXo1SKjf8zmrJ67eJk8aIRKV5ff2D4uKZIBZShbhGSpEmsQOPW/SKMKYhSTrqR7ufy6RP69rPogdaPh/kA==
@@ -2997,6 +3015,19 @@ crypto-browserify@^3.11.0:
     randombytes "^2.0.0"
     randomfill "^1.0.3"
 
+css-color-names@0.0.4, 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"
+  integrity sha1-gIrcLnnPhHOAabZGyyDsJ762KeA=
+
+css-declaration-sorter@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/css-declaration-sorter/-/css-declaration-sorter-4.0.1.tgz#c198940f63a76d7e36c1e71018b001721054cb22"
+  integrity sha512-BcxQSKTSEEQUftYpBVnsH4SF05NTuBokb19/sBt6asXGKZ/6VP7PLG1CBCkFDYOnhXhPh0jMhO6xZ71oYHXHBA==
+  dependencies:
+    postcss "^7.0.1"
+    timsort "^0.3.0"
+
 css-font-size-keywords@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/css-font-size-keywords/-/css-font-size-keywords-1.0.0.tgz#854875ace9aca6a8d2ee0d345a44aae9bb6db6cb"
@@ -3090,6 +3121,19 @@ css-tree@1.0.0-alpha.29:
     mdn-data "~1.1.0"
     source-map "^0.5.3"
 
+css-tree@1.0.0-alpha.33:
+  version "1.0.0-alpha.33"
+  resolved "https://registry.yarnpkg.com/css-tree/-/css-tree-1.0.0-alpha.33.tgz#970e20e5a91f7a378ddd0fc58d0b6c8d4f3be93e"
+  integrity sha512-SPt57bh5nQnpsTBsx/IXbO14sRc9xXu5MtMAVuo0BaQQmyf0NupNPPSoMaqiAF5tDFafYsTkfeH4Q/HCKXkg4w==
+  dependencies:
+    mdn-data "2.0.4"
+    source-map "^0.5.3"
+
+css-unit-converter@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/css-unit-converter/-/css-unit-converter-1.1.1.tgz#d9b9281adcfd8ced935bdbaba83786897f64e996"
+  integrity sha1-2bkoGtz9jO2TW9urqDeGiX9k6ZY=
+
 css-url-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/css-url-regex/-/css-url-regex-1.1.0.tgz#83834230cc9f74c457de59eebd1543feeb83b7ec"
@@ -3105,11 +3149,84 @@ csscolorparser@~1.0.2:
   resolved "https://registry.yarnpkg.com/csscolorparser/-/csscolorparser-1.0.3.tgz#b34f391eea4da8f3e98231e2ccd8df9c041f171b"
   integrity sha1-s085HupNqPPpgjHizNjfnAQfFxs=
 
+cssesc@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-2.0.0.tgz#3b13bd1bb1cb36e1bcb5a4dcd27f54c5dcb35703"
+  integrity sha512-MsCAG1z9lPdoO/IUMLSBWBSVxVtJ1395VGIQ+Fc2gNdkQ1hNDnQdw3YhA71WJCBW1vdwA0cAnk/DnW6bqoEUYg==
+
 cssesc@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-3.0.0.tgz#37741919903b868565e1c09ea747445cd18983ee"
   integrity sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==
 
+cssnano-preset-default@^4.0.7:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-4.0.7.tgz#51ec662ccfca0f88b396dcd9679cdb931be17f76"
+  integrity sha512-x0YHHx2h6p0fCl1zY9L9roD7rnlltugGu7zXSKQx6k2rYw0Hi3IqxcoAGF7u9Q5w1nt7vK0ulxV8Lo+EvllGsA==
+  dependencies:
+    css-declaration-sorter "^4.0.1"
+    cssnano-util-raw-cache "^4.0.1"
+    postcss "^7.0.0"
+    postcss-calc "^7.0.1"
+    postcss-colormin "^4.0.3"
+    postcss-convert-values "^4.0.1"
+    postcss-discard-comments "^4.0.2"
+    postcss-discard-duplicates "^4.0.2"
+    postcss-discard-empty "^4.0.1"
+    postcss-discard-overridden "^4.0.1"
+    postcss-merge-longhand "^4.0.11"
+    postcss-merge-rules "^4.0.3"
+    postcss-minify-font-values "^4.0.2"
+    postcss-minify-gradients "^4.0.2"
+    postcss-minify-params "^4.0.2"
+    postcss-minify-selectors "^4.0.2"
+    postcss-normalize-charset "^4.0.1"
+    postcss-normalize-display-values "^4.0.2"
+    postcss-normalize-positions "^4.0.2"
+    postcss-normalize-repeat-style "^4.0.2"
+    postcss-normalize-string "^4.0.2"
+    postcss-normalize-timing-functions "^4.0.2"
+    postcss-normalize-unicode "^4.0.1"
+    postcss-normalize-url "^4.0.1"
+    postcss-normalize-whitespace "^4.0.2"
+    postcss-ordered-values "^4.1.2"
+    postcss-reduce-initial "^4.0.3"
+    postcss-reduce-transforms "^4.0.2"
+    postcss-svgo "^4.0.2"
+    postcss-unique-selectors "^4.0.1"
+
+cssnano-util-get-arguments@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/cssnano-util-get-arguments/-/cssnano-util-get-arguments-4.0.0.tgz#ed3a08299f21d75741b20f3b81f194ed49cc150f"
+  integrity sha1-7ToIKZ8h11dBsg87gfGU7UnMFQ8=
+
+cssnano-util-get-match@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/cssnano-util-get-match/-/cssnano-util-get-match-4.0.0.tgz#c0e4ca07f5386bb17ec5e52250b4f5961365156d"
+  integrity sha1-wOTKB/U4a7F+xeUiULT1lhNlFW0=
+
+cssnano-util-raw-cache@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/cssnano-util-raw-cache/-/cssnano-util-raw-cache-4.0.1.tgz#b26d5fd5f72a11dfe7a7846fb4c67260f96bf282"
+  integrity sha512-qLuYtWK2b2Dy55I8ZX3ky1Z16WYsx544Q0UWViebptpwn/xDBmog2TLg4f+DBMg1rJ6JDWtn96WHbOKDWt1WQA==
+  dependencies:
+    postcss "^7.0.0"
+
+cssnano-util-same-parent@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/cssnano-util-same-parent/-/cssnano-util-same-parent-4.0.1.tgz#574082fb2859d2db433855835d9a8456ea18bbf3"
+  integrity sha512-WcKx5OY+KoSIAxBW6UBBRay1U6vkYheCdjyVNDm85zt5K9mHoGOfsOsqIszfAqrQQFIIKgjh2+FDgIj/zsl21Q==
+
+cssnano@^4.1.10:
+  version "4.1.10"
+  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-4.1.10.tgz#0ac41f0b13d13d465487e111b778d42da631b8b2"
+  integrity sha512-5wny+F6H4/8RgNlaqab4ktc3e0/blKutmq8yNlBFXA//nSFFAqAngjNVRzUvCgYROULmZZUoosL/KSoZo5aUaQ==
+  dependencies:
+    cosmiconfig "^5.0.0"
+    cssnano-preset-default "^4.0.7"
+    is-resolvable "^1.0.0"
+    postcss "^7.0.0"
+
 csso@^3.5.1:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/csso/-/csso-3.5.1.tgz#7b9eb8be61628973c1b261e169d2f024008e758b"
@@ -4551,23 +4668,11 @@ for-each@~0.3.3:
   dependencies:
     is-callable "^1.1.3"
 
-for-in@^0.1.3:
-  version "0.1.8"
-  resolved "https://registry.yarnpkg.com/for-in/-/for-in-0.1.8.tgz#d8773908e31256109952b1fdb9b3fa867d2775e1"
-  integrity sha1-2Hc5COMSVhCZUrH9ubP6hn0ndeE=
-
-for-in@^1.0.1, for-in@^1.0.2:
+for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
   integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
 
-for-own@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/for-own/-/for-own-1.0.0.tgz#c63332f415cedc4b04dbfe70cf836494c53cb44b"
-  integrity sha1-xjMy9BXO3EsE2/5wz4NklMU8tEs=
-  dependencies:
-    for-in "^1.0.1"
-
 foreach@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
@@ -4681,11 +4786,6 @@ fsevents@^1.2.7:
     nan "^2.12.1"
     node-pre-gyp "^0.12.0"
 
-fsevents@^2.0.6:
-  version "2.0.7"
-  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.0.7.tgz#382c9b443c6cbac4c57187cdda23aa3bf1ccfc2a"
-  integrity sha512-a7YT0SV3RB+DjYcppwVDLtn13UQnmg0SWZS7ezZD0UjnLwXmy8Zm21GMVGLaFGimIqcvyMQaOJBrop8MyOp1kQ==
-
 fstream@^1.0.0, fstream@^1.0.2:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.11.tgz#5c1fb1f117477114f0632a0eb4b71b3cb0fd3171"
@@ -5168,13 +5268,6 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
-glob-parent@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.0.0.tgz#1dc99f0f39b006d3e92c2c284068382f0c20e954"
-  integrity sha512-Z2RwiujPRGluePM6j699ktJYxmPpJKCfpGA13jz2hmFZC7gKetzrWvg5KN3+OsIFmydGyZ1AVwERCq1w/ZZwRg==
-  dependencies:
-    is-glob "^4.0.1"
-
 glob-to-regexp@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/glob-to-regexp/-/glob-to-regexp-0.3.0.tgz#8c5a1494d2066c570cc3bfe4496175acc4d502ab"
@@ -5665,6 +5758,11 @@ hasha@^3.0.0:
   resolved "https://registry.yarnpkg.com/heap/-/heap-0.2.6.tgz#087e1f10b046932fc8594dd9e6d378afc9d1e5ac"
   integrity sha1-CH4fELBGky/IWU3Z5tN4r8nR5aw=
 
+hex-color-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/hex-color-regex/-/hex-color-regex-1.1.0.tgz#4c06fccb4602fe2602b3c93df82d7e7dbf1a8a8e"
+  integrity sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ==
+
 hmac-drbg@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
@@ -5696,11 +5794,26 @@ hpack.js@^2.1.6:
     readable-stream "^2.0.1"
     wbuf "^1.1.0"
 
+hsl-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/hsl-regex/-/hsl-regex-1.0.0.tgz#d49330c789ed819e276a4c0d272dffa30b18fe6e"
+  integrity sha1-1JMwx4ntgZ4nakwNJy3/owsY/m4=
+
+hsla-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/hsla-regex/-/hsla-regex-1.0.0.tgz#c1ce7a3168c8c6614033a4b5f7877f3b225f9c38"
+  integrity sha1-wc56MWjIxmFAM6S194d/OyJfnDg=
+
 hsluv@^0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/hsluv/-/hsluv-0.0.3.tgz#829107dafb4a9f8b52a1809ed02e091eade6754c"
   integrity sha1-gpEH2vtKn4tSoYCe0C4JHq3mdUw=
 
+html-comment-regex@^1.1.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/html-comment-regex/-/html-comment-regex-1.1.2.tgz#97d4688aeb5c81886a364faa0cad1dda14d433a7"
+  integrity sha512-P+M65QY2JQ5Y0G9KKdlDpo0zK+/OHptU5AaBwUfAIDJZk1MYf32Frm84EcOytfJE0t5JvkAnKlmjsXDnWzCJmQ==
+
 html-encoding-sniffer@^1.0.1, html-encoding-sniffer@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/html-encoding-sniffer/-/html-encoding-sniffer-1.0.2.tgz#e70d84b94da53aa375e11fe3a351be6642ca46f8"
@@ -5859,6 +5972,13 @@ image-palette@^2.1.0:
     pxls "^2.0.0"
     quantize "^1.0.2"
 
+import-cwd@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/import-cwd/-/import-cwd-2.1.0.tgz#aa6cf36e722761285cb371ec6519f53e2435b0a9"
+  integrity sha1-qmzzbnInYShcs3HsZRn1PiQ1sKk=
+  dependencies:
+    import-from "^2.1.0"
+
 import-fresh@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/import-fresh/-/import-fresh-2.0.0.tgz#d81355c15612d386c61f9ddd3922d4304822a546"
@@ -5875,6 +5995,13 @@ import-fresh@^3.0.0:
     parent-module "^1.0.0"
     resolve-from "^4.0.0"
 
+import-from@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/import-from/-/import-from-2.1.0.tgz#335db7f2a7affd53aaa471d4b8021dee36b7f3b1"
+  integrity sha1-M1238qev/VOqpHHUuAId7ja387E=
+  dependencies:
+    resolve-from "^3.0.0"
+
 import-lazy@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/import-lazy/-/import-lazy-3.1.0.tgz#891279202c8a2280fdbd6674dbd8da1a1dfc67cc"
@@ -6023,6 +6150,11 @@ ipaddr.js@1.9.0, ipaddr.js@^1.9.0:
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.0.tgz#37df74e430a0e47550fe54a2defe30d8acd95f65"
   integrity sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA==
 
+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"
+  integrity sha1-UFMN+4T8yap9vnhS6Do3uTufKqY=
+
 is-accessor-descriptor@^0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz#a9e12cb3ae8d876727eeef3843f8a0897b5c98d6"
@@ -6060,6 +6192,11 @@ is-arrayish@^0.2.1:
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
   integrity sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=
 
+is-arrayish@^0.3.1:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.3.2.tgz#4574a2ae56f7ab206896fb431eaeed066fdf8f03"
+  integrity sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ==
+
 is-base64@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/is-base64/-/is-base64-0.1.0.tgz#a6f20610c6ef4863a51cba32bc0222544b932622"
@@ -6072,13 +6209,6 @@ is-binary-path@^1.0.0:
   dependencies:
     binary-extensions "^1.0.0"
 
-is-binary-path@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-2.1.0.tgz#ea1f7f3b80f064236e83470f86c09c254fb45b09"
-  integrity sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==
-  dependencies:
-    binary-extensions "^2.0.0"
-
 is-blob@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/is-blob/-/is-blob-2.0.1.tgz#7fde57ef8782a154bc0f3bdcaa0ffdccb6c33767"
@@ -6116,6 +6246,18 @@ is-callable@^1.1.1, is-callable@^1.1.3, is-callable@^1.1.4:
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
   integrity sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==
 
+is-color-stop@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-color-stop/-/is-color-stop-1.1.0.tgz#cfff471aee4dd5c9e158598fbe12967b5cdad345"
+  integrity sha1-z/9HGu5N1cnhWFmPvhKWe1za00U=
+  dependencies:
+    css-color-names "^0.0.4"
+    hex-color-regex "^1.1.0"
+    hsl-regex "^1.0.0"
+    hsla-regex "^1.0.0"
+    rgb-regex "^1.0.1"
+    rgba-regex "^1.0.0"
+
 is-data-descriptor@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
@@ -6228,13 +6370,6 @@ is-glob@^4.0.0:
   dependencies:
     is-extglob "^2.1.1"
 
-is-glob@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
-  integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
-  dependencies:
-    is-extglob "^2.1.1"
-
 is-hexadecimal@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-hexadecimal/-/is-hexadecimal-1.0.2.tgz#b6e710d7d07bb66b98cb8cece5c9b4921deeb835"
@@ -6315,6 +6450,11 @@ is-regexp@^1.0.0:
   resolved "https://registry.yarnpkg.com/is-regexp/-/is-regexp-1.0.0.tgz#fd2d883545c46bac5a633e7b9a09e87fa2cb5069"
   integrity sha1-/S2INUXEa6xaYz57mgnof6LLUGk=
 
+is-resolvable@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.1.0.tgz#fb18f87ce1feb925169c9a407c19318a3206ed88"
+  integrity sha512-qgDYXFSR5WvEfuS5dMj6oTMEbrrSaM0CrFk2Yiq/gXnBvD9pMa2jGXxyhGLfvhZpuMZe18CJpFxAt3CRs42NMg==
+
 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"
@@ -6335,6 +6475,13 @@ is-svg-path@^1.0.1:
   resolved "https://registry.yarnpkg.com/is-svg-path/-/is-svg-path-1.0.2.tgz#77ab590c12b3d20348e5c7a13d0040c87784dda0"
   integrity sha1-d6tZDBKz0gNI5cehPQBAyHeE3aA=
 
+is-svg@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-svg/-/is-svg-3.0.0.tgz#9321dbd29c212e5ca99c4fa9794c714bcafa2f75"
+  integrity sha512-gi4iHK53LR2ujhLVVj+37Ykh9GLqYHX6JOVXbLAucaG/Cqw9xwdFOjDM2qeifLs1sF1npXXFvDu0r5HNgCMrzQ==
+  dependencies:
+    html-comment-regex "^1.1.0"
+
 is-symbol@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.1.tgz#3cc59f00025194b6ab2e38dbae6689256b660572"
@@ -6783,7 +6930,7 @@ loader-utils@1.0.x:
     emojis-list "^2.0.0"
     json5 "^0.5.0"
 
-loader-utils@^1.0.1, loader-utils@^1.0.2, loader-utils@^1.1.0:
+loader-utils@^1.0.2, loader-utils@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.1.0.tgz#c98aef488bcceda2ffb5e2de646d6a754429f5cd"
   integrity sha1-yYrvSIvM7aL/teLeZG1qdUQp9c0=
@@ -6854,11 +7001,6 @@ lodash.sortby@^4.7.0:
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
   integrity sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=
 
-lodash.tail@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/lodash.tail/-/lodash.tail-4.1.1.tgz#d2333a36d9e7717c8ad2f7cacafec7c32b444664"
-  integrity sha1-0jM6NtnncXyK0vfKyv7HwytERmQ=
-
 lodash.throttle@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/lodash.throttle/-/lodash.throttle-4.1.1.tgz#c23e91b710242ac70c37f1e1cda9274cc39bf2f4"
@@ -6869,6 +7011,11 @@ lodash.unescape@4.0.1:
   resolved "https://registry.yarnpkg.com/lodash.unescape/-/lodash.unescape-4.0.1.tgz#bf2249886ce514cda112fae9218cdc065211fc9c"
   integrity sha1-vyJJiGzlFM2hEvrpIYzcBlIR/Jw=
 
+lodash.uniq@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
+  integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
+
 lodash@^4.17.11:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
@@ -7115,6 +7262,11 @@ mdast-util-compact@^1.0.0:
     unist-util-modify-children "^1.0.0"
     unist-util-visit "^1.1.0"
 
+mdn-data@2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/mdn-data/-/mdn-data-2.0.4.tgz#699b3c38ac6f1d728091a64650b65d388502fd5b"
+  integrity sha512-iV3XNKw06j5Q7mi6h+9vbx23Tv7JkjEVgKHW4pimwyDGWm0OIQntJJ+u1C6mg6mK1EaTv42XQ7w76yuzH7M2cA==
+
 mdn-data@~1.1.0:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/mdn-data/-/mdn-data-1.1.4.tgz#50b5d4ffc4575276573c4eedb8780812a8419f01"
@@ -7374,14 +7526,6 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mixin-object@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/mixin-object/-/mixin-object-2.0.1.tgz#4fb949441dab182540f1fe035ba60e1947a5e57e"
-  integrity sha1-T7lJRB2rGCVA8f4DW6YOGUel5X4=
-  dependencies:
-    for-in "^0.1.3"
-    is-extendable "^0.1.1"
-
 mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
@@ -7829,6 +7973,11 @@ normalize-url@^2.0.1:
     query-string "^5.0.1"
     sort-keys "^2.0.0"
 
+normalize-url@^3.0.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-3.3.0.tgz#b2e1c4dc4f7c6d57743df733a4f5978d18650559"
+  integrity sha512-U+JJi7duF1o+u2pynbp2zXDW2/PADgC30f0GsHZtRh+HOcXHnw137TrNlyxxRvWW5fjKd3bcLHPxofWuCjaeZg==
+
 normals@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/normals/-/normals-1.1.0.tgz#325b595ed34afe467a6c55a14fd9085787ff59c0"
@@ -8477,7 +8626,7 @@ pick-by-alias@^1.1.0, pick-by-alias@^1.1.1, pick-by-alias@^1.2.0:
   resolved "https://registry.yarnpkg.com/pick-by-alias/-/pick-by-alias-1.2.0.tgz#5f7cb2b1f21a6e1e884a0c87855aa4a37361107b"
   integrity sha1-X3yysfIabh6ISgyHhVqko3NhEHs=
 
-picomatch@^2.0.4, picomatch@^2.0.5:
+picomatch@^2.0.5:
   version "2.0.7"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.0.7.tgz#514169d8c7cd0bdbeecc8a2609e34a7163de69f6"
   integrity sha512-oLHIdio3tZ0qH76NybpeneBhYVj0QFTfXEFTc/B3zKQspYfYYkWYgFsmzo+4kvId/bQRcNkVeguI3y+CD22BtA==
@@ -8666,6 +8815,72 @@ posix-character-classes@^0.1.0:
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
   integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
 
+postcss-calc@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-calc/-/postcss-calc-7.0.1.tgz#36d77bab023b0ecbb9789d84dcb23c4941145436"
+  integrity sha512-oXqx0m6tb4N3JGdmeMSc/i91KppbYsFZKdH0xMOqK8V1rJlzrKlTdokz8ozUXLVejydRN6u2IddxpcijRj2FqQ==
+  dependencies:
+    css-unit-converter "^1.1.1"
+    postcss "^7.0.5"
+    postcss-selector-parser "^5.0.0-rc.4"
+    postcss-value-parser "^3.3.1"
+
+postcss-colormin@^4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/postcss-colormin/-/postcss-colormin-4.0.3.tgz#ae060bce93ed794ac71264f08132d550956bd381"
+  integrity sha512-WyQFAdDZpExQh32j0U0feWisZ0dmOtPl44qYmJKkq9xFWY3p+4qnRzCHeNrkeRhwPHz9bQ3mo0/yVkaply0MNw==
+  dependencies:
+    browserslist "^4.0.0"
+    color "^3.0.0"
+    has "^1.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-convert-values@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-convert-values/-/postcss-convert-values-4.0.1.tgz#ca3813ed4da0f812f9d43703584e449ebe189a7f"
+  integrity sha512-Kisdo1y77KUC0Jmn0OXU/COOJbzM8cImvw1ZFsBgBgMgb1iL23Zs/LXRe3r+EZqM3vGYKdQ2YJVQ5VkJI+zEJQ==
+  dependencies:
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-discard-comments@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-discard-comments/-/postcss-discard-comments-4.0.2.tgz#1fbabd2c246bff6aaad7997b2b0918f4d7af4033"
+  integrity sha512-RJutN259iuRf3IW7GZyLM5Sw4GLTOH8FmsXBnv8Ab/Tc2k4SR4qbV4DNbyyY4+Sjo362SyDmW2DQ7lBSChrpkg==
+  dependencies:
+    postcss "^7.0.0"
+
+postcss-discard-duplicates@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-discard-duplicates/-/postcss-discard-duplicates-4.0.2.tgz#3fe133cd3c82282e550fc9b239176a9207b784eb"
+  integrity sha512-ZNQfR1gPNAiXZhgENFfEglF93pciw0WxMkJeVmw8eF+JZBbMD7jp6C67GqJAXVZP2BWbOztKfbsdmMp/k8c6oQ==
+  dependencies:
+    postcss "^7.0.0"
+
+postcss-discard-empty@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-discard-empty/-/postcss-discard-empty-4.0.1.tgz#c8c951e9f73ed9428019458444a02ad90bb9f765"
+  integrity sha512-B9miTzbznhDjTfjvipfHoqbWKwd0Mj+/fL5s1QOz06wufguil+Xheo4XpOnc4NqKYBCNqqEzgPv2aPBIJLox0w==
+  dependencies:
+    postcss "^7.0.0"
+
+postcss-discard-overridden@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-discard-overridden/-/postcss-discard-overridden-4.0.1.tgz#652aef8a96726f029f5e3e00146ee7a4e755ff57"
+  integrity sha512-IYY2bEDD7g1XM1IDEsUT4//iEYCxAmP5oDSFMVU/JVvT7gh+l4fmjciLqGgwjdWpQIdb0Che2VX00QObS5+cTg==
+  dependencies:
+    postcss "^7.0.0"
+
+postcss-extend-rule@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-extend-rule/-/postcss-extend-rule-3.0.0.tgz#d6ee2fb24ab2b3d9b50acce1d055c1c137ab5f44"
+  integrity sha512-gMlRmW52Y86Lct+KTr+gMjxk0aUSuTyjtvelIH3a7UdaXONaKH6qSmj8KAXCW4+nhTlAsOw5JdkRjCdZ/Kjb3Q==
+  dependencies:
+    postcss "^7.0.17"
+    postcss-nesting "^7.0.1"
+    postcss-tape "^5.0.2"
+
 postcss-html@^0.36.0:
   version "0.36.0"
   resolved "https://registry.yarnpkg.com/postcss-html/-/postcss-html-0.36.0.tgz#b40913f94eaacc2453fd30a1327ad6ee1f88b204"
@@ -8687,6 +8902,24 @@ postcss-less@^3.1.4:
   dependencies:
     postcss "^7.0.14"
 
+postcss-load-config@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/postcss-load-config/-/postcss-load-config-2.1.0.tgz#c84d692b7bb7b41ddced94ee62e8ab31b417b003"
+  integrity sha512-4pV3JJVPLd5+RueiVVB+gFOAa7GWc25XQcMp86Zexzke69mKf6Nx9LRcQywdz7yZI9n1udOxmLuAwTBypypF8Q==
+  dependencies:
+    cosmiconfig "^5.0.0"
+    import-cwd "^2.0.0"
+
+postcss-loader@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-3.0.0.tgz#6b97943e47c72d845fa9e03f273773d4e8dd6c2d"
+  integrity sha512-cLWoDEY5OwHcAjDnkyRQzAXfs2jrKjXpO/HQFcc5b5u/r7aa471wdmChmwfnv7x2u840iat/wi0lQ5nbRgSkUA==
+  dependencies:
+    loader-utils "^1.1.0"
+    postcss "^7.0.0"
+    postcss-load-config "^2.0.0"
+    schema-utils "^1.0.0"
+
 postcss-markdown@^0.36.0:
   version "0.36.0"
   resolved "https://registry.yarnpkg.com/postcss-markdown/-/postcss-markdown-0.36.0.tgz#7f22849ae0e3db18820b7b0d5e7833f13a447560"
@@ -8700,6 +8933,68 @@ postcss-media-query-parser@^0.2.3:
   resolved "https://registry.yarnpkg.com/postcss-media-query-parser/-/postcss-media-query-parser-0.2.3.tgz#27b39c6f4d94f81b1a73b8f76351c609e5cef244"
   integrity sha1-J7Ocb02U+Bsac7j3Y1HGCeXO8kQ=
 
+postcss-merge-longhand@^4.0.11:
+  version "4.0.11"
+  resolved "https://registry.yarnpkg.com/postcss-merge-longhand/-/postcss-merge-longhand-4.0.11.tgz#62f49a13e4a0ee04e7b98f42bb16062ca2549e24"
+  integrity sha512-alx/zmoeXvJjp7L4mxEMjh8lxVlDFX1gqWHzaaQewwMZiVhLo42TEClKaeHbRf6J7j82ZOdTJ808RtN0ZOZwvw==
+  dependencies:
+    css-color-names "0.0.4"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+    stylehacks "^4.0.0"
+
+postcss-merge-rules@^4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/postcss-merge-rules/-/postcss-merge-rules-4.0.3.tgz#362bea4ff5a1f98e4075a713c6cb25aefef9a650"
+  integrity sha512-U7e3r1SbvYzO0Jr3UT/zKBVgYYyhAz0aitvGIYOYK5CPmkNih+WDSsS5tvPrJ8YMQYlEMvsZIiqmn7HdFUaeEQ==
+  dependencies:
+    browserslist "^4.0.0"
+    caniuse-api "^3.0.0"
+    cssnano-util-same-parent "^4.0.0"
+    postcss "^7.0.0"
+    postcss-selector-parser "^3.0.0"
+    vendors "^1.0.0"
+
+postcss-minify-font-values@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-minify-font-values/-/postcss-minify-font-values-4.0.2.tgz#cd4c344cce474343fac5d82206ab2cbcb8afd5a6"
+  integrity sha512-j85oO6OnRU9zPf04+PZv1LYIYOprWm6IA6zkXkrJXyRveDEuQggG6tvoy8ir8ZwjLxLuGfNkCZEQG7zan+Hbtg==
+  dependencies:
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-minify-gradients@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-minify-gradients/-/postcss-minify-gradients-4.0.2.tgz#93b29c2ff5099c535eecda56c4aa6e665a663471"
+  integrity sha512-qKPfwlONdcf/AndP1U8SJ/uzIJtowHlMaSioKzebAXSG4iJthlWC9iSWznQcX4f66gIWX44RSA841HTHj3wK+Q==
+  dependencies:
+    cssnano-util-get-arguments "^4.0.0"
+    is-color-stop "^1.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-minify-params@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-minify-params/-/postcss-minify-params-4.0.2.tgz#6b9cef030c11e35261f95f618c90036d680db874"
+  integrity sha512-G7eWyzEx0xL4/wiBBJxJOz48zAKV2WG3iZOqVhPet/9geefm/Px5uo1fzlHu+DOjT+m0Mmiz3jkQzVHe6wxAWg==
+  dependencies:
+    alphanum-sort "^1.0.0"
+    browserslist "^4.0.0"
+    cssnano-util-get-arguments "^4.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+    uniqs "^2.0.0"
+
+postcss-minify-selectors@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-minify-selectors/-/postcss-minify-selectors-4.0.2.tgz#e2e5eb40bfee500d0cd9243500f5f8ea4262fbd8"
+  integrity sha512-D5S1iViljXBj9kflQo4YutWnJmwm8VvIsU1GeXJGiG9j8CIg9zs4voPMdQDUmIxetUOh60VilsNzCiAFTOqu3g==
+  dependencies:
+    alphanum-sort "^1.0.0"
+    has "^1.0.0"
+    postcss "^7.0.0"
+    postcss-selector-parser "^3.0.0"
+
 postcss-modules-extract-imports@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/postcss-modules-extract-imports/-/postcss-modules-extract-imports-2.0.0.tgz#818719a1ae1da325f9832446b01136eeb493cd7e"
@@ -8732,6 +9027,131 @@ postcss-modules-values@^2.0.0:
     icss-replace-symbols "^1.1.0"
     postcss "^7.0.6"
 
+postcss-nested@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/postcss-nested/-/postcss-nested-4.1.2.tgz#8e0570f736bfb4be5136e31901bf2380b819a561"
+  integrity sha512-9bQFr2TezohU3KRSu9f6sfecXmf/x6RXDedl8CHF6fyuyVW7UqgNMRdWMHZQWuFY6Xqs2NYk+Fj4Z4vSOf7PQg==
+  dependencies:
+    postcss "^7.0.14"
+    postcss-selector-parser "^5.0.0"
+
+postcss-nesting@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-nesting/-/postcss-nesting-7.0.1.tgz#b50ad7b7f0173e5b5e3880c3501344703e04c052"
+  integrity sha512-FrorPb0H3nuVq0Sff7W2rnc3SmIcruVC6YwpcS+k687VxyxO33iE1amna7wHuRVzM8vfiYofXSBHNAZ3QhLvYg==
+  dependencies:
+    postcss "^7.0.2"
+
+postcss-normalize-charset@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-charset/-/postcss-normalize-charset-4.0.1.tgz#8b35add3aee83a136b0471e0d59be58a50285dd4"
+  integrity sha512-gMXCrrlWh6G27U0hF3vNvR3w8I1s2wOBILvA87iNXaPvSNo5uZAMYsZG7XjCUf1eVxuPfyL4TJ7++SGZLc9A3g==
+  dependencies:
+    postcss "^7.0.0"
+
+postcss-normalize-display-values@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-display-values/-/postcss-normalize-display-values-4.0.2.tgz#0dbe04a4ce9063d4667ed2be476bb830c825935a"
+  integrity sha512-3F2jcsaMW7+VtRMAqf/3m4cPFhPD3EFRgNs18u+k3lTJJlVe7d0YPO+bnwqo2xg8YiRpDXJI2u8A0wqJxMsQuQ==
+  dependencies:
+    cssnano-util-get-match "^4.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-positions@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-positions/-/postcss-normalize-positions-4.0.2.tgz#05f757f84f260437378368a91f8932d4b102917f"
+  integrity sha512-Dlf3/9AxpxE+NF1fJxYDeggi5WwV35MXGFnnoccP/9qDtFrTArZ0D0R+iKcg5WsUd8nUYMIl8yXDCtcrT8JrdA==
+  dependencies:
+    cssnano-util-get-arguments "^4.0.0"
+    has "^1.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-repeat-style@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-repeat-style/-/postcss-normalize-repeat-style-4.0.2.tgz#c4ebbc289f3991a028d44751cbdd11918b17910c"
+  integrity sha512-qvigdYYMpSuoFs3Is/f5nHdRLJN/ITA7huIoCyqqENJe9PvPmLhNLMu7QTjPdtnVf6OcYYO5SHonx4+fbJE1+Q==
+  dependencies:
+    cssnano-util-get-arguments "^4.0.0"
+    cssnano-util-get-match "^4.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-string@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-string/-/postcss-normalize-string-4.0.2.tgz#cd44c40ab07a0c7a36dc5e99aace1eca4ec2690c"
+  integrity sha512-RrERod97Dnwqq49WNz8qo66ps0swYZDSb6rM57kN2J+aoyEAJfZ6bMx0sx/F9TIEX0xthPGCmeyiam/jXif0eA==
+  dependencies:
+    has "^1.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-timing-functions@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-timing-functions/-/postcss-normalize-timing-functions-4.0.2.tgz#8e009ca2a3949cdaf8ad23e6b6ab99cb5e7d28d9"
+  integrity sha512-acwJY95edP762e++00Ehq9L4sZCEcOPyaHwoaFOhIwWCDfik6YvqsYNxckee65JHLKzuNSSmAdxwD2Cud1Z54A==
+  dependencies:
+    cssnano-util-get-match "^4.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-unicode@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-unicode/-/postcss-normalize-unicode-4.0.1.tgz#841bd48fdcf3019ad4baa7493a3d363b52ae1cfb"
+  integrity sha512-od18Uq2wCYn+vZ/qCOeutvHjB5jm57ToxRaMeNuf0nWVHaP9Hua56QyMF6fs/4FSUnVIw0CBPsU0K4LnBPwYwg==
+  dependencies:
+    browserslist "^4.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-url@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-url/-/postcss-normalize-url-4.0.1.tgz#10e437f86bc7c7e58f7b9652ed878daaa95faae1"
+  integrity sha512-p5oVaF4+IHwu7VpMan/SSpmpYxcJMtkGppYf0VbdH5B6hN8YNmVyJLuY9FmLQTzY3fag5ESUUHDqM+heid0UVA==
+  dependencies:
+    is-absolute-url "^2.0.0"
+    normalize-url "^3.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-whitespace@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-whitespace/-/postcss-normalize-whitespace-4.0.2.tgz#bf1d4070fe4fcea87d1348e825d8cc0c5faa7d82"
+  integrity sha512-tO8QIgrsI3p95r8fyqKV+ufKlSHh9hMJqACqbv2XknufqEDhDvbguXGBBqxw9nsQoXWf0qOqppziKJKHMD4GtA==
+  dependencies:
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-ordered-values@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/postcss-ordered-values/-/postcss-ordered-values-4.1.2.tgz#0cf75c820ec7d5c4d280189559e0b571ebac0eee"
+  integrity sha512-2fCObh5UanxvSxeXrtLtlwVThBvHn6MQcu4ksNT2tsaV2Fg76R2CV98W7wNSlX+5/pFwEyaDwKLLoEV7uRybAw==
+  dependencies:
+    cssnano-util-get-arguments "^4.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-reduce-initial@^4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/postcss-reduce-initial/-/postcss-reduce-initial-4.0.3.tgz#7fd42ebea5e9c814609639e2c2e84ae270ba48df"
+  integrity sha512-gKWmR5aUulSjbzOfD9AlJiHCGH6AEVLaM0AV+aSioxUDd16qXP1PCh8d1/BGVvpdWn8k/HiK7n6TjeoXN1F7DA==
+  dependencies:
+    browserslist "^4.0.0"
+    caniuse-api "^3.0.0"
+    has "^1.0.0"
+    postcss "^7.0.0"
+
+postcss-reduce-transforms@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-reduce-transforms/-/postcss-reduce-transforms-4.0.2.tgz#17efa405eacc6e07be3414a5ca2d1074681d4e29"
+  integrity sha512-EEVig1Q2QJ4ELpJXMZR8Vt5DQx8/mo+dGWSR7vWXqcob2gQLyQGsionYcGKATXvQzMPn6DSN1vTN7yFximdIAg==
+  dependencies:
+    cssnano-util-get-match "^4.0.0"
+    has "^1.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+
 postcss-reporter@^6.0.1:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/postcss-reporter/-/postcss-reporter-6.0.1.tgz#7c055120060a97c8837b4e48215661aafb74245f"
@@ -8769,7 +9189,7 @@ postcss-scss@^2.0.0:
   dependencies:
     postcss "^7.0.0"
 
-postcss-selector-parser@^3.1.0:
+postcss-selector-parser@^3.0.0, postcss-selector-parser@^3.1.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-3.1.1.tgz#4f875f4afb0c96573d5cf4d74011aee250a7e865"
   integrity sha1-T4dfSvsMllc9XPTXQBGu4lCn6GU=
@@ -8778,6 +9198,15 @@ postcss-selector-parser@^3.1.0:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
+postcss-selector-parser@^5.0.0, postcss-selector-parser@^5.0.0-rc.4:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-5.0.0.tgz#249044356697b33b64f1a8f7c80922dddee7195c"
+  integrity sha512-w+zLE5Jhg6Liz8+rQOWEAwtwkyqpfnmsinXjXg6cY7YIONZZtgvE0v2O0uhQBs0peNomOJwWRKt6JBfTdTd3OQ==
+  dependencies:
+    cssesc "^2.0.0"
+    indexes-of "^1.0.1"
+    uniq "^1.0.1"
+
 postcss-selector-parser@^6.0.0:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-6.0.2.tgz#934cf799d016c83411859e09dcecade01286ec5c"
@@ -8787,22 +9216,58 @@ postcss-selector-parser@^6.0.0:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
+postcss-simple-vars@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-simple-vars/-/postcss-simple-vars-5.0.2.tgz#e2f81b3d0847ddd4169816b6d141b91d51e6e22e"
+  integrity sha512-xWIufxBoINJv6JiLb7jl5oElgp+6puJwvT5zZHliUSydoLz4DADRB3NDDsYgfKVwojn4TDLiseoC65MuS8oGGg==
+  dependencies:
+    postcss "^7.0.14"
+
+postcss-svgo@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-svgo/-/postcss-svgo-4.0.2.tgz#17b997bc711b333bab143aaed3b8d3d6e3d38258"
+  integrity sha512-C6wyjo3VwFm0QgBy+Fu7gCYOkCmgmClghO+pjcxvrcBKtiKt0uCF+hvbMO1fyv5BMImRK90SMb+dwUnfbGd+jw==
+  dependencies:
+    is-svg "^3.0.0"
+    postcss "^7.0.0"
+    postcss-value-parser "^3.0.0"
+    svgo "^1.0.0"
+
 postcss-syntax@^0.36.2:
   version "0.36.2"
   resolved "https://registry.yarnpkg.com/postcss-syntax/-/postcss-syntax-0.36.2.tgz#f08578c7d95834574e5593a82dfbfa8afae3b51c"
   integrity sha512-nBRg/i7E3SOHWxF3PpF5WnJM/jQ1YpY9000OaVXlAQj6Zp/kIqJxEDWIZ67tAd7NLuk7zqN4yqe9nc0oNAOs1w==
 
+postcss-tape@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-tape/-/postcss-tape-5.0.2.tgz#7ae011050954fdc10b17d1f1551c9d9bf14e4bdf"
+  integrity sha512-e4770WnsUzczQp/pAIsz0s0MDLAQ7luyh1/hs8QBcdfXOMrz0siEqYNHAKJIoCvGtLoi2QUjWASvTbPfyTfIWg==
+
+postcss-unique-selectors@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-unique-selectors/-/postcss-unique-selectors-4.0.1.tgz#9446911f3289bfd64c6d680f073c03b1f9ee4bac"
+  integrity sha512-+JanVaryLo9QwZjKrmJgkI4Fn8SBgRO6WXQBJi7KiAVPlmxikB5Jzc4EvXMT2H0/m0RjrVVm9rGNhZddm/8Spg==
+  dependencies:
+    alphanum-sort "^1.0.0"
+    postcss "^7.0.0"
+    uniqs "^2.0.0"
+
+postcss-value-parser@^3.0.0, postcss-value-parser@^3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz#9ff822547e2893213cf1c30efa51ac5fd1ba8281"
+  integrity sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==
+
 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"
   integrity sha1-h/OPnxj3dKSrTIojL1xc6IcqnRU=
 
-postcss-value-parser@^3.3.1:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz#9ff822547e2893213cf1c30efa51ac5fd1ba8281"
-  integrity sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==
+postcss-value-parser@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.0.2.tgz#482282c09a42706d1fc9a069b73f44ec08391dc9"
+  integrity sha512-LmeoohTpp/K4UiyQCwuGWlONxXamGzCMtFxLq4W1nZVGIQLYvMCJx3yAF9qyyuFpflABI9yVdtJAqbihOsCsJQ==
 
-postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.16, postcss@^7.0.2, postcss@^7.0.7:
+postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.16, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.7:
   version "7.0.17"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.17.tgz#4da1bdff5322d4a0acaab4d87f3e782436bad31f"
   integrity sha512-546ZowA+KZ3OasvQZHsbuEpysvwTZNGJv9EfyCQdsIDltPSWHAeTQ5fQy/Npi2ZDtLI3zs7Ps/p6wThErhm9fQ==
@@ -9201,13 +9666,6 @@ readdirp@^2.2.1:
     micromatch "^3.1.10"
     readable-stream "^2.0.2"
 
-readdirp@^3.1.1:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.1.2.tgz#fa85d2d14d4289920e4671dead96431add2ee78a"
-  integrity sha512-8rhl0xs2cxfVsqzreYCvs8EwBfn/DhVdqtoLmw19uI3SC5avYX9teCurlErfpPXGmYtMHReGaP2RsLnFvz/lnw==
-  dependencies:
-    picomatch "^2.0.4"
-
 redent@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/redent/-/redent-2.0.0.tgz#c1b2007b42d57eb1389079b3c8333639d5e1ccaa"
@@ -9640,6 +10098,16 @@ ret@~0.1.10:
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
   integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
 
+rgb-regex@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/rgb-regex/-/rgb-regex-1.0.1.tgz#c0e0d6882df0e23be254a475e8edd41915feaeb1"
+  integrity sha1-wODWiC3w4jviVKR16O3UGRX+rrE=
+
+rgba-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/rgba-regex/-/rgba-regex-1.0.0.tgz#43374e2e2ca0968b0ef1523460b7d730ff22eeb3"
+  integrity sha1-QzdOLiyglosO8VI0YLfXMP8i7rM=
+
 right-align@^0.1.1:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
@@ -9805,25 +10273,6 @@ sane-topojson@^3.0.1:
   resolved "https://registry.yarnpkg.com/sane-topojson/-/sane-topojson-3.0.1.tgz#eecdb57fa276c86cba521be96b154901376f2228"
   integrity sha512-pntXgkpEHB3tTAO/rJM0aKLauq7uetB5T15NT1DMpDnbK853M9d8IiFD+WmVUDnyvZtfg3hQ5BC98fec8DlwaQ==
 
-sass-loader@7.1.0:
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-7.1.0.tgz#16fd5138cb8b424bf8a759528a1972d72aad069d"
-  integrity sha512-+G+BKGglmZM2GUSfT9TLuEp6tzehHPjAMoRRItOojWIqIGPloVCMhNIQuG639eJ+y033PaGTSjLaTHts8Kw79w==
-  dependencies:
-    clone-deep "^2.0.1"
-    loader-utils "^1.0.1"
-    lodash.tail "^4.1.1"
-    neo-async "^2.5.0"
-    pify "^3.0.0"
-    semver "^5.5.0"
-
-sass@^1.22.10:
-  version "1.22.10"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.22.10.tgz#b9f01440352ba0be5d99fa64a2040b035cc6e5ff"
-  integrity sha512-DUpS1tVMGCH6gr/N9cXCoemrjoNdOLhAHfQ37fJw2A5ZM4gSI9ej/8Xi95Xwus03RqZ2zdSnKZGULL7oS+jfMA==
-  dependencies:
-    chokidar ">=2.0.0 <4.0.0"
-
 sax@^1.1.5, sax@^1.2.1, sax@^1.2.4, sax@~1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
@@ -9994,15 +10443,6 @@ sha.js@^2.4.0, sha.js@^2.4.8:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
-shallow-clone@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/shallow-clone/-/shallow-clone-1.0.0.tgz#4480cd06e882ef68b2ad88a3ea54832e2c48b571"
-  integrity sha512-oeXreoKR/SyNJtRJMAKPDSvd28OqEwG4eR/xc856cRGBII7gX9lvAqDxusPm0846z/w/hWYjI1NpKwJ00NHzRA==
-  dependencies:
-    is-extendable "^0.1.1"
-    kind-of "^5.0.0"
-    mixin-object "^2.0.1"
-
 shallow-copy@0.0.1, shallow-copy@~0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/shallow-copy/-/shallow-copy-0.0.1.tgz#415f42702d73d810330292cc5ee86eae1a11a170"
@@ -10059,6 +10499,13 @@ signum@^1.0.0:
   resolved "https://registry.yarnpkg.com/signum/-/signum-1.0.0.tgz#74a7d2bf2a20b40eba16a92b152124f1d559fa77"
   integrity sha1-dKfSvyogtA66FqkrFSEk8dVZ+nc=
 
+simple-swizzle@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/simple-swizzle/-/simple-swizzle-0.2.2.tgz#a4da6b635ffcccca33f70d17cb92592de95e557a"
+  integrity sha1-pNprY1/8zMoz9w0Xy5JZLeleVXo=
+  dependencies:
+    is-arrayish "^0.3.1"
+
 simplebar@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/simplebar/-/simplebar-4.1.0.tgz#c4b78b278dd0ce41ed70a71473bfad8132a6260f"
@@ -10715,6 +11162,15 @@ style-search@^0.1.0:
   resolved "https://registry.yarnpkg.com/style-search/-/style-search-0.1.0.tgz#7958c793e47e32e07d2b5cafe5c0bf8e12e77902"
   integrity sha1-eVjHk+R+MuB9K1yv5cC/jhLneQI=
 
+stylehacks@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/stylehacks/-/stylehacks-4.0.3.tgz#6718fcaf4d1e07d8a1318690881e8d96726a71d5"
+  integrity sha512-7GlLk9JwlElY4Y6a/rmbH2MhVlTyVmiJd1PfTCqFaIBEGMYNsrO/v3SeGTdhBThLg4Z+NbOk/qFMwCa+J+3p/g==
+  dependencies:
+    browserslist "^4.0.0"
+    postcss "^7.0.0"
+    postcss-selector-parser "^3.0.0"
+
 stylelint@10.0.1:
   version "10.0.1"
   resolved "https://registry.yarnpkg.com/stylelint/-/stylelint-10.0.1.tgz#f85cd9755e905d826023d67df62b32716fa6dfb4"
@@ -10900,6 +11356,25 @@ svgo@1.2.2:
     unquote "~1.1.1"
     util.promisify "~1.0.0"
 
+svgo@^1.0.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/svgo/-/svgo-1.3.0.tgz#bae51ba95ded9a33a36b7c46ce9c359ae9154313"
+  integrity sha512-MLfUA6O+qauLDbym+mMZgtXCGRfIxyQoeH6IKVcFslyODEe/ElJNwr0FohQ3xG4C6HK6bk3KYPPXwHVJk3V5NQ==
+  dependencies:
+    chalk "^2.4.1"
+    coa "^2.0.2"
+    css-select "^2.0.0"
+    css-select-base-adapter "^0.1.1"
+    css-tree "1.0.0-alpha.33"
+    csso "^3.5.1"
+    js-yaml "^3.13.1"
+    mkdirp "~0.5.1"
+    object.values "^1.1.0"
+    sax "~1.2.4"
+    stable "^0.1.8"
+    unquote "~1.1.1"
+    util.promisify "~1.0.0"
+
 svgpath@^2.1.5:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/svgpath/-/svgpath-2.2.1.tgz#0834bb67c89a76472b2bd06cc101fa7b517b222c"
@@ -11087,6 +11562,11 @@ timers-browserify@^2.0.4:
   dependencies:
     setimmediate "^1.0.4"
 
+timsort@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/timsort/-/timsort-0.3.0.tgz#405411a8e7e6339fe64db9a234de11dc31e02bd4"
+  integrity sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=
+
 tiny-emitter@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.0.2.tgz#82d27468aca5ade8e5fd1e6d22b57dd43ebdfb7c"
@@ -11520,6 +12000,11 @@ uniq@^1.0.0, uniq@^1.0.1:
   resolved "https://registry.yarnpkg.com/uniq/-/uniq-1.0.1.tgz#b31c5ae8254844a3a8281541ce2b04b865a734ff"
   integrity sha1-sxxa6CVIRKOoKBVBzisEuGWnNP8=
 
+uniqs@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/uniqs/-/uniqs-2.0.0.tgz#ffede4b36b25290696e6e165d4a59edb998e6b02"
+  integrity sha1-/+3ks2slKQaW5uFl1KWe25mOawI=
+
 unique-filename@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/unique-filename/-/unique-filename-1.1.1.tgz#1d69769369ada0583103a1e6ae87681b56573230"
@@ -11840,6 +12325,11 @@ vectorize-text@^3.2.1:
     surface-nets "^1.0.0"
     triangulate-polyline "^1.0.0"
 
+vendors@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/vendors/-/vendors-1.0.3.tgz#a6467781abd366217c050f8202e7e50cc9eef8c0"
+  integrity sha512-fOi47nsJP5Wqefa43kyWSg80qF+Q3XA6MUkgi7Hp1HQaKDQW4cQrK2D0P7mmbFtsV1N89am55Yru/nyEwRubcw==
+
 verror@1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"