diff --git a/package.json b/package.json
index 5643d0db79..dc77d6ea6e 100644
--- a/package.json
+++ b/package.json
@@ -98,12 +98,12 @@
     "minimist": "^1.2.0",
     "optimize-css-assets-webpack-plugin": "^5.0.1",
     "pify": "^4.0.0",
-    "postcss": "^6.0.22",
-    "postcss-import": "^11.1.0",
+    "postcss": "^7.0.2",
+    "postcss-import": "^12.0.0",
     "postcss-import-resolver": "^1.1.0",
-    "postcss-loader": "^2.1.5",
-    "postcss-preset-env": "^5.1.0",
-    "postcss-url": "^7.3.2",
+    "postcss-loader": "^3.0.0",
+    "postcss-preset-env": "^6.0.1",
+    "postcss-url": "^8.0.0",
     "semver": "^5.5.1",
     "serialize-javascript": "^1.5.0",
     "serve-static": "^1.13.2",
diff --git a/yarn.lock b/yarn.lock
index 411dae243b..6d182a26b9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,12 @@
 # yarn lockfile v1
 
 
+"@babel/code-frame@7.0.0-beta.44":
+  version "7.0.0-beta.44"
+  resolved "http://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.44.tgz#2a02643368de80916162be70865c97774f3adbd9"
+  dependencies:
+    "@babel/highlight" "7.0.0-beta.44"
+
 "@babel/code-frame@^7.0.0", "@babel/code-frame@^7.0.0-beta.35":
   version "7.0.0"
   resolved "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz#06e2ab19bdb535385559aabb5ba59729482800f8"
@@ -27,6 +33,16 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
+"@babel/generator@7.0.0-beta.44":
+  version "7.0.0-beta.44"
+  resolved "http://registry.npmjs.org/@babel/generator/-/generator-7.0.0-beta.44.tgz#c7e67b9b5284afcf69b309b50d7d37f3e5033d42"
+  dependencies:
+    "@babel/types" "7.0.0-beta.44"
+    jsesc "^2.5.1"
+    lodash "^4.2.0"
+    source-map "^0.5.0"
+    trim-right "^1.0.1"
+
 "@babel/generator@^7.0.0":
   version "7.0.0"
   resolved "https://registry.npmjs.org/@babel/generator/-/generator-7.0.0.tgz#1efd58bffa951dc846449e58ce3a1d7f02d393aa"
@@ -73,6 +89,14 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
+"@babel/helper-function-name@7.0.0-beta.44":
+  version "7.0.0-beta.44"
+  resolved "http://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.44.tgz#e18552aaae2231100a6e485e03854bc3532d44dd"
+  dependencies:
+    "@babel/helper-get-function-arity" "7.0.0-beta.44"
+    "@babel/template" "7.0.0-beta.44"
+    "@babel/types" "7.0.0-beta.44"
+
 "@babel/helper-function-name@^7.1.0":
   version "7.1.0"
   resolved "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz#a0ceb01685f73355d4360c1247f582bfafc8ff53"
@@ -81,6 +105,12 @@
     "@babel/template" "^7.1.0"
     "@babel/types" "^7.0.0"
 
+"@babel/helper-get-function-arity@7.0.0-beta.44":
+  version "7.0.0-beta.44"
+  resolved "http://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.44.tgz#d03ca6dd2b9f7b0b1e6b32c56c72836140db3a15"
+  dependencies:
+    "@babel/types" "7.0.0-beta.44"
+
 "@babel/helper-get-function-arity@^7.0.0":
   version "7.0.0"
   resolved "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0.tgz#83572d4320e2a4657263734113c42868b64e49c3"
@@ -158,6 +188,12 @@
     "@babel/template" "^7.1.0"
     "@babel/types" "^7.0.0"
 
+"@babel/helper-split-export-declaration@7.0.0-beta.44":
+  version "7.0.0-beta.44"
+  resolved "http://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.44.tgz#c0b351735e0fbcb3822c8ad8db4e583b05ebd9dc"
+  dependencies:
+    "@babel/types" "7.0.0-beta.44"
+
 "@babel/helper-split-export-declaration@^7.0.0":
   version "7.0.0"
   resolved "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0.tgz#3aae285c0311c2ab095d997b8c9a94cad547d813"
@@ -181,6 +217,14 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.0.0"
 
+"@babel/highlight@7.0.0-beta.44":
+  version "7.0.0-beta.44"
+  resolved "http://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0-beta.44.tgz#18c94ce543916a80553edcdcf681890b200747d5"
+  dependencies:
+    chalk "^2.0.0"
+    esutils "^2.0.2"
+    js-tokens "^3.0.0"
+
 "@babel/highlight@^7.0.0":
   version "7.0.0"
   resolved "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz#f710c38c8d458e6dd9a201afb637fcb781ce99e4"
@@ -554,6 +598,15 @@
   dependencies:
     regenerator-runtime "^0.12.0"
 
+"@babel/template@7.0.0-beta.44":
+  version "7.0.0-beta.44"
+  resolved "http://registry.npmjs.org/@babel/template/-/template-7.0.0-beta.44.tgz#f8832f4fdcee5d59bf515e595fc5106c529b394f"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.44"
+    "@babel/types" "7.0.0-beta.44"
+    babylon "7.0.0-beta.44"
+    lodash "^4.2.0"
+
 "@babel/template@^7.1.0":
   version "7.1.0"
   resolved "https://registry.npmjs.org/@babel/template/-/template-7.1.0.tgz#58cc9572e1bfe24fe1537fdf99d839d53e517e22"
@@ -562,6 +615,21 @@
     "@babel/parser" "^7.1.0"
     "@babel/types" "^7.0.0"
 
+"@babel/traverse@7.0.0-beta.44":
+  version "7.0.0-beta.44"
+  resolved "http://registry.npmjs.org/@babel/traverse/-/traverse-7.0.0-beta.44.tgz#a970a2c45477ad18017e2e465a0606feee0d2966"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.44"
+    "@babel/generator" "7.0.0-beta.44"
+    "@babel/helper-function-name" "7.0.0-beta.44"
+    "@babel/helper-split-export-declaration" "7.0.0-beta.44"
+    "@babel/types" "7.0.0-beta.44"
+    babylon "7.0.0-beta.44"
+    debug "^3.1.0"
+    globals "^11.1.0"
+    invariant "^2.2.0"
+    lodash "^4.2.0"
+
 "@babel/traverse@^7.0.0", "@babel/traverse@^7.1.0":
   version "7.1.0"
   resolved "https://registry.npmjs.org/@babel/traverse/-/traverse-7.1.0.tgz#503ec6669387efd182c3888c4eec07bcc45d91b2"
@@ -576,6 +644,14 @@
     globals "^11.1.0"
     lodash "^4.17.10"
 
+"@babel/types@7.0.0-beta.44":
+  version "7.0.0-beta.44"
+  resolved "http://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.44.tgz#6b1b164591f77dec0a0342aca995f2d046b3a757"
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.2.0"
+    to-fast-properties "^2.0.0"
+
 "@babel/types@^7.0.0":
   version "7.0.0"
   resolved "https://registry.npmjs.org/@babel/types/-/types-7.0.0.tgz#6e191793d3c854d19c6749989e3bc55f0e962118"
@@ -1095,15 +1171,15 @@ atob@^2.1.1:
   version "2.1.2"
   resolved "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
 
-autoprefixer@^8.6.5:
-  version "8.6.5"
-  resolved "https://registry.npmjs.org/autoprefixer/-/autoprefixer-8.6.5.tgz#343f3d193ed568b3208e00117a1b96eb691d4ee9"
+autoprefixer@^9.1.5:
+  version "9.1.5"
+  resolved "https://registry.npmjs.org/autoprefixer/-/autoprefixer-9.1.5.tgz#8675fd8d1c0d43069f3b19a2c316f3524e4f6671"
   dependencies:
-    browserslist "^3.2.8"
-    caniuse-lite "^1.0.30000864"
+    browserslist "^4.1.0"
+    caniuse-lite "^1.0.30000884"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
-    postcss "^6.0.23"
+    postcss "^7.0.2"
     postcss-value-parser "^3.2.3"
 
 aws-sign2@~0.7.0:
@@ -1150,6 +1226,17 @@ babel-core@^7.0.0-0:
   version "7.0.0-bridge.0"
   resolved "https://registry.npmjs.org/babel-core/-/babel-core-7.0.0-bridge.0.tgz#95a492ddd90f9b4e9a4a1da14eb335b87b634ece"
 
+babel-eslint@^8.2.3:
+  version "8.2.6"
+  resolved "https://registry.npmjs.org/babel-eslint/-/babel-eslint-8.2.6.tgz#6270d0c73205628067c0f7ae1693a9e797acefd9"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.44"
+    "@babel/traverse" "7.0.0-beta.44"
+    "@babel/types" "7.0.0-beta.44"
+    babylon "7.0.0-beta.44"
+    eslint-scope "3.7.1"
+    eslint-visitor-keys "^1.0.0"
+
 babel-eslint@^9.0.0:
   version "9.0.0"
   resolved "https://registry.npmjs.org/babel-eslint/-/babel-eslint-9.0.0.tgz#7d9445f81ed9f60aff38115f838970df9f2b6220"
@@ -1300,14 +1387,14 @@ babel-types@^6.0.0, babel-types@^6.18.0, babel-types@^6.26.0:
     lodash "^4.17.4"
     to-fast-properties "^1.0.3"
 
+babylon@7.0.0-beta.44:
+  version "7.0.0-beta.44"
+  resolved "http://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz#89159e15e6e30c5096e22d738d8c0af8a0e8ca1d"
+
 babylon@^6.18.0:
   version "6.18.0"
   resolved "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
 
-balanced-match@^0.4.2:
-  version "0.4.2"
-  resolved "https://registry.npmjs.org/balanced-match/-/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
-
 balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
@@ -1475,14 +1562,7 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserslist@^3.2.8:
-  version "3.2.8"
-  resolved "https://registry.npmjs.org/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
-  dependencies:
-    caniuse-lite "^1.0.30000844"
-    electron-to-chromium "^1.3.47"
-
-browserslist@^4.0.0, browserslist@^4.1.0:
+browserslist@^4.0.0, browserslist@^4.1.0, browserslist@^4.1.1:
   version "4.1.1"
   resolved "https://registry.npmjs.org/browserslist/-/browserslist-4.1.1.tgz#328eb4ff1215b12df6589e9ab82f8adaa4fc8cd6"
   dependencies:
@@ -1622,7 +1702,7 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000844, caniuse-lite@^1.0.30000864, caniuse-lite@^1.0.30000865, caniuse-lite@^1.0.30000884, caniuse-lite@^1.0.30000885:
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000884, caniuse-lite@^1.0.30000885:
   version "1.0.30000885"
   resolved "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000885.tgz#e889e9f8e7e50e769f2a49634c932b8aee622984"
 
@@ -1791,7 +1871,7 @@ collection-visit@^1.0.0:
     map-visit "^1.0.0"
     object-visit "^1.0.0"
 
-color-convert@^1.8.2, color-convert@^1.9.0, color-convert@^1.9.1:
+color-convert@^1.9.0, color-convert@^1.9.1:
   version "1.9.3"
   resolved "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
   dependencies:
@@ -1801,20 +1881,13 @@ color-name@1.1.3, color-name@^1.0.0:
   version "1.1.3"
   resolved "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
 
-color-string@^1.4.0, color-string@^1.5.2:
+color-string@^1.5.2:
   version "1.5.3"
   resolved "https://registry.npmjs.org/color-string/-/color-string-1.5.3.tgz#c9bbc5f01b58b5492f3d6857459cb6590ce204cc"
   dependencies:
     color-name "^1.0.0"
     simple-swizzle "^0.2.2"
 
-color@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.npmjs.org/color/-/color-1.0.3.tgz#e48e832d85f14ef694fb468811c2d5cfe729b55d"
-  dependencies:
-    color-convert "^1.8.2"
-    color-string "^1.4.0"
-
 color@^3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/color/-/color-3.0.0.tgz#d920b4328d534a3ac8295d68f7bd4ba6c427be9a"
@@ -2159,7 +2232,7 @@ css-what@2.1:
   version "2.1.0"
   resolved "https://registry.npmjs.org/css-what/-/css-what-2.1.0.tgz#9467d032c38cfaefb9f2d79501253062f87fa1bd"
 
-cssdb@^3.1.0:
+cssdb@^3.2.1:
   version "3.2.1"
   resolved "https://registry.npmjs.org/cssdb/-/cssdb-3.2.1.tgz#65e7dc90be476ce5b6e567b19f3bd73a8c66bcb5"
 
@@ -2527,7 +2600,7 @@ ejs@^2.6.1:
   version "2.6.1"
   resolved "https://registry.npmjs.org/ejs/-/ejs-2.6.1.tgz#498ec0d495655abc6f23cd61868d926464071aa0"
 
-electron-to-chromium@^1.3.47, electron-to-chromium@^1.3.62:
+electron-to-chromium@^1.3.62:
   version "1.3.70"
   resolved "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.70.tgz#ded377256d92d81b4257d36c65aa890274afcfd2"
 
@@ -3685,7 +3758,7 @@ inquirer@^6.1.0:
     strip-ansi "^4.0.0"
     through "^2.3.6"
 
-invariant@^2.2.2, invariant@^2.2.4:
+invariant@^2.2.0, invariant@^2.2.2, invariant@^2.2.4:
   version "2.2.4"
   resolved "https://registry.npmjs.org/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
   dependencies:
@@ -4350,14 +4423,14 @@ js-stringify@^1.0.1:
   version "1.0.2"
   resolved "https://registry.npmjs.org/js-stringify/-/js-stringify-1.0.2.tgz#1736fddfd9724f28a3682adc6230ae7e4e9679db"
 
+js-tokens@^3.0.0, js-tokens@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
+
 "js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
 
-js-tokens@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
-
 js-yaml@^3.12.0, js-yaml@^3.7.0, js-yaml@^3.9.0:
   version "3.12.0"
   resolved "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
@@ -4676,7 +4749,7 @@ lodash@4.17.9:
   version "4.17.9"
   resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.9.tgz#9c056579af0bdbb4322e23c836df13ef2b271cb7"
 
-lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5:
+lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0:
   version "4.17.11"
   resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
 
@@ -4867,10 +4940,6 @@ mime@1.4.1:
   version "1.4.1"
   resolved "https://registry.npmjs.org/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
 
-mime@^1.4.1:
-  version "1.6.0"
-  resolved "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
-
 mime@^2.0.3, mime@^2.3.1:
   version "2.3.1"
   resolved "https://registry.npmjs.org/mime/-/mime-2.3.1.tgz#b1621c54d63b97c47d3cfe7f7215f7d64517c369"
@@ -5556,12 +5625,12 @@ posix-character-classes@^0.1.0:
   version "0.1.1"
   resolved "https://registry.npmjs.org/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
 
-postcss-attribute-case-insensitive@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.npmjs.org/postcss-attribute-case-insensitive/-/postcss-attribute-case-insensitive-3.0.1.tgz#efd2c40b5d3d27dfab5678073bf652f76eaf4352"
+postcss-attribute-case-insensitive@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/postcss-attribute-case-insensitive/-/postcss-attribute-case-insensitive-4.0.0.tgz#807b6a797ad8bf1c821b2d51cf641e9dd3837624"
   dependencies:
-    postcss "^6.0.23"
-    postcss-selector-parser "^4.0.0"
+    postcss "^7.0.2"
+    postcss-selector-parser "^5.0.0-rc.3"
 
 postcss-calc@^6.0.0:
   version "6.0.1"
@@ -5572,35 +5641,34 @@ postcss-calc@^6.0.0:
     postcss-selector-parser "^2.2.2"
     reduce-css-calc "^2.0.0"
 
-postcss-color-functional-notation@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.npmjs.org/postcss-color-functional-notation/-/postcss-color-functional-notation-1.0.2.tgz#836fbc5e88a4ebd958ba6a3f9e2dad7792166c9f"
+postcss-color-functional-notation@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.npmjs.org/postcss-color-functional-notation/-/postcss-color-functional-notation-2.0.1.tgz#5efd37a88fbabeb00a2966d1e53d98ced93f74e0"
   dependencies:
-    postcss "^6.0.23"
-    postcss-values-parser "^1.5.0"
+    postcss "^7.0.2"
+    postcss-values-parser "^2.0.0"
 
-postcss-color-hex-alpha@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.npmjs.org/postcss-color-hex-alpha/-/postcss-color-hex-alpha-3.0.0.tgz#1e53e6c8acb237955e8fd08b7ecdb1b8b8309f95"
+postcss-color-hex-alpha@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.npmjs.org/postcss-color-hex-alpha/-/postcss-color-hex-alpha-5.0.2.tgz#e9b1886bb038daed33f6394168c210b40bb4fdb6"
   dependencies:
-    color "^1.0.3"
-    postcss "^6.0.1"
-    postcss-message-helpers "^2.0.0"
+    postcss "^7.0.2"
+    postcss-values-parser "^2.0.0"
 
-postcss-color-mod-function@^2.4.3:
-  version "2.4.3"
-  resolved "https://registry.npmjs.org/postcss-color-mod-function/-/postcss-color-mod-function-2.4.3.tgz#14a97f5b17a5f19396e9dea7ffcb5be732592baf"
+postcss-color-mod-function@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.npmjs.org/postcss-color-mod-function/-/postcss-color-mod-function-3.0.1.tgz#20d600e3014f38266261722ba9a36a2a9859efa7"
   dependencies:
     "@csstools/convert-colors" "^1.4.0"
-    postcss "^6.0.23"
-    postcss-values-parser "^1.5.0"
+    postcss "^7.0.2"
+    postcss-values-parser "^2.0.0"
 
-postcss-color-rebeccapurple@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.npmjs.org/postcss-color-rebeccapurple/-/postcss-color-rebeccapurple-3.1.0.tgz#ce1269ecc2d0d8bf92aab44bd884e633124c33ec"
+postcss-color-rebeccapurple@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.npmjs.org/postcss-color-rebeccapurple/-/postcss-color-rebeccapurple-4.0.1.tgz#c7a89be872bb74e45b1e3022bfe5748823e6de77"
   dependencies:
-    postcss "^6.0.22"
-    postcss-values-parser "^1.5.0"
+    postcss "^7.0.2"
+    postcss-values-parser "^2.0.0"
 
 postcss-colormin@^4.0.0:
   version "4.0.1"
@@ -5619,32 +5687,32 @@ postcss-convert-values@^4.0.0:
     postcss "^6.0.0"
     postcss-value-parser "^3.0.0"
 
-postcss-custom-media@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.npmjs.org/postcss-custom-media/-/postcss-custom-media-6.0.0.tgz#be532784110ecb295044fb5395a18006eb21a737"
+postcss-custom-media@^7.0.2:
+  version "7.0.2"
+  resolved "https://registry.npmjs.org/postcss-custom-media/-/postcss-custom-media-7.0.2.tgz#e55fcd3a5ffe0d42c1cf99fe4a716a24f5228248"
   dependencies:
-    postcss "^6.0.1"
+    postcss "^7.0.2"
 
-postcss-custom-properties@^7.0.0:
-  version "7.0.0"
-  resolved "http://registry.npmjs.org/postcss-custom-properties/-/postcss-custom-properties-7.0.0.tgz#24dc4fbe6d6ed550ea4fd3b11204660e9ffa3b33"
+postcss-custom-properties@^8.0.3:
+  version "8.0.3"
+  resolved "https://registry.npmjs.org/postcss-custom-properties/-/postcss-custom-properties-8.0.3.tgz#5c8f398ed3296b782a087c72fc53bda9e8ef70fb"
   dependencies:
-    balanced-match "^1.0.0"
-    postcss "^6.0.18"
+    postcss "^7.0.2"
+    postcss-values-parser "^2.0.0"
 
-postcss-custom-selectors@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.npmjs.org/postcss-custom-selectors/-/postcss-custom-selectors-4.0.1.tgz#781382f94c52e727ef5ca4776ea2adf49a611382"
+postcss-custom-selectors@^5.1.1:
+  version "5.1.1"
+  resolved "https://registry.npmjs.org/postcss-custom-selectors/-/postcss-custom-selectors-5.1.1.tgz#2fc76266eeab537cb19a15c2f513b24d99529bce"
   dependencies:
-    postcss "^6.0.1"
-    postcss-selector-matches "^3.0.0"
+    postcss "^7.0.2"
+    postcss-selector-parser "^5.0.0-rc.3"
 
-postcss-dir-pseudo-class@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.npmjs.org/postcss-dir-pseudo-class/-/postcss-dir-pseudo-class-4.0.0.tgz#007dba154a0750cb3095eeae01077088a61dcef5"
+postcss-dir-pseudo-class@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.npmjs.org/postcss-dir-pseudo-class/-/postcss-dir-pseudo-class-5.0.0.tgz#6e3a4177d0edb3abcc85fdb6fbb1c26dabaeaba2"
   dependencies:
-    postcss "^6.0.22"
-    postcss-selector-parser "^4.0.0"
+    postcss "^7.0.2"
+    postcss-selector-parser "^5.0.0-rc.3"
 
 postcss-discard-comments@^4.0.0:
   version "4.0.0"
@@ -5670,49 +5738,43 @@ postcss-discard-overridden@^4.0.0:
   dependencies:
     postcss "^6.0.0"
 
-postcss-env-function@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.npmjs.org/postcss-env-function/-/postcss-env-function-1.0.0.tgz#0d81b53b3d789d55d1cac8125ec64f89e916a2f7"
+postcss-env-function@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.npmjs.org/postcss-env-function/-/postcss-env-function-2.0.1.tgz#d1f38482f79e3a9840ac4ec16da229bd3032b7c1"
   dependencies:
-    postcss "^6.0.22"
-    postcss-values-parser "^1.5.0"
+    postcss "^7.0.2"
+    postcss-values-parser "^2.0.0"
 
-postcss-focus-visible@^3.0.0:
+postcss-focus-visible@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/postcss-focus-visible/-/postcss-focus-visible-4.0.0.tgz#477d107113ade6024b14128317ade2bd1e17046e"
+  dependencies:
+    postcss "^7.0.2"
+
+postcss-focus-within@^3.0.0:
   version "3.0.0"
-  resolved "http://registry.npmjs.org/postcss-focus-visible/-/postcss-focus-visible-3.0.0.tgz#c105b9d97e83c6a60cf3af34245ae451b326fb54"
+  resolved "https://registry.npmjs.org/postcss-focus-within/-/postcss-focus-within-3.0.0.tgz#763b8788596cee9b874c999201cdde80659ef680"
   dependencies:
-    postcss "^6.0"
+    postcss "^7.0.2"
 
-postcss-focus-within@^2.0.0:
+postcss-font-variant@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/postcss-font-variant/-/postcss-font-variant-4.0.0.tgz#71dd3c6c10a0d846c5eda07803439617bbbabacc"
+  dependencies:
+    postcss "^7.0.2"
+
+postcss-gap-properties@^2.0.0:
   version "2.0.0"
-  resolved "http://registry.npmjs.org/postcss-focus-within/-/postcss-focus-within-2.0.0.tgz#7ff76ad8b5e9a000c0123d9690a76752c36c0c52"
+  resolved "https://registry.npmjs.org/postcss-gap-properties/-/postcss-gap-properties-2.0.0.tgz#431c192ab3ed96a3c3d09f2ff615960f902c1715"
   dependencies:
-    postcss "^6.0.21"
+    postcss "^7.0.2"
 
-postcss-font-family-system-ui@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.npmjs.org/postcss-font-family-system-ui/-/postcss-font-family-system-ui-3.0.0.tgz#675fe7a9e029669f05f8dba2e44c2225ede80623"
+postcss-image-set-function@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.npmjs.org/postcss-image-set-function/-/postcss-image-set-function-3.0.1.tgz#28920a2f29945bed4c3198d7df6496d410d3f288"
   dependencies:
-    postcss "^6.0"
-
-postcss-font-variant@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.npmjs.org/postcss-font-variant/-/postcss-font-variant-3.0.0.tgz#08ccc88f6050ba82ed8ef2cc76c0c6a6b41f183e"
-  dependencies:
-    postcss "^6.0.1"
-
-postcss-gap-properties@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.npmjs.org/postcss-gap-properties/-/postcss-gap-properties-1.0.0.tgz#2a43bed20d73fc9744e3b869610711ee72db58af"
-  dependencies:
-    postcss "^6.0.22"
-
-postcss-image-set-function@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.npmjs.org/postcss-image-set-function/-/postcss-image-set-function-2.0.0.tgz#3f43f25bc242ec1319c4bd879ccfd62ee5256feb"
-  dependencies:
-    postcss "^6.0.22"
-    postcss-values-parser "^1.5.0"
+    postcss "^7.0.2"
+    postcss-values-parser "^2.0.0"
 
 postcss-import-resolver@^1.1.0:
   version "1.1.0"
@@ -5720,29 +5782,29 @@ postcss-import-resolver@^1.1.0:
   dependencies:
     enhanced-resolve "^3.4.1"
 
-postcss-import@^11.1.0:
-  version "11.1.0"
-  resolved "https://registry.npmjs.org/postcss-import/-/postcss-import-11.1.0.tgz#55c9362c9192994ec68865d224419df1db2981f0"
+postcss-import@^12.0.0:
+  version "12.0.0"
+  resolved "https://registry.npmjs.org/postcss-import/-/postcss-import-12.0.0.tgz#149f96a4ef0b27525c419784be8517ebd17e92c5"
   dependencies:
-    postcss "^6.0.1"
+    postcss "^7.0.1"
     postcss-value-parser "^3.2.3"
     read-cache "^1.0.0"
     resolve "^1.1.7"
 
-postcss-initial@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.npmjs.org/postcss-initial/-/postcss-initial-2.0.0.tgz#72715f7336e0bb79351d99ee65c4a253a8441ba4"
+postcss-initial@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.npmjs.org/postcss-initial/-/postcss-initial-3.0.0.tgz#1772512faf11421b791fb2ca6879df5f68aa0517"
   dependencies:
     lodash.template "^4.2.4"
-    postcss "^6.0.1"
+    postcss "^7.0.2"
 
-postcss-lab-function@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.npmjs.org/postcss-lab-function/-/postcss-lab-function-1.1.0.tgz#1965cd4cfb380601129f29c59797a0df13463f48"
+postcss-lab-function@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.npmjs.org/postcss-lab-function/-/postcss-lab-function-2.0.1.tgz#bb51a6856cd12289ab4ae20db1e3821ef13d7d2e"
   dependencies:
     "@csstools/convert-colors" "^1.4.0"
-    postcss "^6.0.23"
-    postcss-values-parser "^1.5.0"
+    postcss "^7.0.2"
+    postcss-values-parser "^2.0.0"
 
 postcss-load-config@^2.0.0:
   version "2.0.0"
@@ -5751,26 +5813,26 @@ postcss-load-config@^2.0.0:
     cosmiconfig "^4.0.0"
     import-cwd "^2.0.0"
 
-postcss-loader@^2.1.5:
-  version "2.1.6"
-  resolved "https://registry.npmjs.org/postcss-loader/-/postcss-loader-2.1.6.tgz#1d7dd7b17c6ba234b9bed5af13e0bea40a42d740"
+postcss-loader@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.npmjs.org/postcss-loader/-/postcss-loader-3.0.0.tgz#6b97943e47c72d845fa9e03f273773d4e8dd6c2d"
   dependencies:
     loader-utils "^1.1.0"
-    postcss "^6.0.0"
+    postcss "^7.0.0"
     postcss-load-config "^2.0.0"
-    schema-utils "^0.4.0"
+    schema-utils "^1.0.0"
 
-postcss-logical@^1.1.1:
-  version "1.1.1"
-  resolved "http://registry.npmjs.org/postcss-logical/-/postcss-logical-1.1.1.tgz#bcabf0638d8aa747743b32bc52f9d90d4a3313d2"
-  dependencies:
-    postcss "^6.0.20"
-
-postcss-media-minmax@^3.0.0:
+postcss-logical@^3.0.0:
   version "3.0.0"
-  resolved "https://registry.npmjs.org/postcss-media-minmax/-/postcss-media-minmax-3.0.0.tgz#675256037a43ef40bc4f0760bfd06d4dc69d48d2"
+  resolved "https://registry.npmjs.org/postcss-logical/-/postcss-logical-3.0.0.tgz#2495d0f8b82e9f262725f75f9401b34e7b45d5b5"
   dependencies:
-    postcss "^6.0.1"
+    postcss "^7.0.2"
+
+postcss-media-minmax@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/postcss-media-minmax/-/postcss-media-minmax-4.0.0.tgz#b75bb6cbc217c8ac49433e12f22048814a4f5ed5"
+  dependencies:
+    postcss "^7.0.2"
 
 postcss-merge-longhand@^4.0.0:
   version "4.0.5"
@@ -5792,10 +5854,6 @@ postcss-merge-rules@^4.0.0:
     postcss-selector-parser "^3.0.0"
     vendors "^1.0.0"
 
-postcss-message-helpers@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.npmjs.org/postcss-message-helpers/-/postcss-message-helpers-2.0.0.tgz#a4f2f4fab6e4fe002f0aed000478cdf52f9ba60e"
-
 postcss-minify-font-values@^4.0.0:
   version "4.0.0"
   resolved "https://registry.npmjs.org/postcss-minify-font-values/-/postcss-minify-font-values-4.0.0.tgz#4cc33d283d6a81759036e757ef981d92cbd85bed"
@@ -5858,11 +5916,11 @@ postcss-modules-values@^1.3.0:
     icss-replace-symbols "^1.1.0"
     postcss "^6.0.1"
 
-postcss-nesting@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.npmjs.org/postcss-nesting/-/postcss-nesting-6.0.0.tgz#4c45276a065765ec063efe1e4daf75c131518991"
+postcss-nesting@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.npmjs.org/postcss-nesting/-/postcss-nesting-7.0.0.tgz#6e26a770a0c8fcba33782a6b6f350845e1a448f6"
   dependencies:
-    postcss "^6.0.22"
+    postcss "^7.0.2"
 
 postcss-normalize-charset@^4.0.0:
   version "4.0.0"
@@ -5943,69 +6001,68 @@ postcss-ordered-values@^4.0.0:
     postcss "^6.0.0"
     postcss-value-parser "^3.0.0"
 
-postcss-overflow-shorthand@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.npmjs.org/postcss-overflow-shorthand/-/postcss-overflow-shorthand-1.0.1.tgz#f72cc216f770f1ab712863dcce9bc32f774b2b74"
+postcss-overflow-shorthand@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.npmjs.org/postcss-overflow-shorthand/-/postcss-overflow-shorthand-2.0.0.tgz#31ecf350e9c6f6ddc250a78f0c3e111f32dd4c30"
   dependencies:
-    postcss "^6.0.22"
+    postcss "^7.0.2"
 
-postcss-page-break@^1.0.0:
-  version "1.0.0"
-  resolved "http://registry.npmjs.org/postcss-page-break/-/postcss-page-break-1.0.0.tgz#09a63b6e03db092d38569b33dcba42a343ace60b"
+postcss-page-break@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.npmjs.org/postcss-page-break/-/postcss-page-break-2.0.0.tgz#add52d0e0a528cabe6afee8b46e2abb277df46bf"
   dependencies:
-    postcss "^6.0.16"
+    postcss "^7.0.2"
 
-postcss-place@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.npmjs.org/postcss-place/-/postcss-place-3.0.1.tgz#95b0aeedd1302fe898c77ef6392cd1cfa7b23dd8"
+postcss-place@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.npmjs.org/postcss-place/-/postcss-place-4.0.1.tgz#e9f39d33d2dc584e46ee1db45adb77ca9d1dcc62"
   dependencies:
-    postcss "^6.0.22"
-    postcss-values-parser "^1.5.0"
+    postcss "^7.0.2"
+    postcss-values-parser "^2.0.0"
 
-postcss-preset-env@^5.1.0:
-  version "5.3.0"
-  resolved "https://registry.npmjs.org/postcss-preset-env/-/postcss-preset-env-5.3.0.tgz#568939a1c03e950ced2bdfe32822c316ac7d0b7f"
+postcss-preset-env@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.npmjs.org/postcss-preset-env/-/postcss-preset-env-6.0.1.tgz#996184ead5ff09c0a2d3e3ab7609b91f711f88d5"
   dependencies:
-    autoprefixer "^8.6.5"
-    browserslist "^3.2.8"
-    caniuse-lite "^1.0.30000865"
-    cssdb "^3.1.0"
-    postcss "^6.0.23"
-    postcss-attribute-case-insensitive "^3.0.1"
-    postcss-color-functional-notation "^1.0.2"
-    postcss-color-hex-alpha "^3.0.0"
-    postcss-color-mod-function "^2.4.3"
-    postcss-color-rebeccapurple "^3.1.0"
-    postcss-custom-media "^6.0.0"
-    postcss-custom-properties "^7.0.0"
-    postcss-custom-selectors "^4.0.1"
-    postcss-dir-pseudo-class "^4.0.0"
-    postcss-env-function "^1.0.0"
-    postcss-focus-visible "^3.0.0"
-    postcss-focus-within "^2.0.0"
-    postcss-font-family-system-ui "^3.0.0"
-    postcss-font-variant "^3.0.0"
-    postcss-gap-properties "^1.0.0"
-    postcss-image-set-function "^2.0.0"
-    postcss-initial "^2.0.0"
-    postcss-lab-function "^1.1.0"
-    postcss-logical "^1.1.1"
-    postcss-media-minmax "^3.0.0"
-    postcss-nesting "^6.0.0"
-    postcss-overflow-shorthand "^1.0.1"
-    postcss-page-break "^1.0.0"
-    postcss-place "^3.0.1"
-    postcss-pseudo-class-any-link "^5.0.0"
-    postcss-replace-overflow-wrap "^2.0.0"
-    postcss-selector-matches "^3.0.1"
-    postcss-selector-not "^3.0.1"
+    autoprefixer "^9.1.5"
+    browserslist "^4.1.1"
+    caniuse-lite "^1.0.30000885"
+    cssdb "^3.2.1"
+    postcss "^7.0.2"
+    postcss-attribute-case-insensitive "^4.0.0"
+    postcss-color-functional-notation "^2.0.1"
+    postcss-color-hex-alpha "^5.0.2"
+    postcss-color-mod-function "^3.0.1"
+    postcss-color-rebeccapurple "^4.0.1"
+    postcss-custom-media "^7.0.2"
+    postcss-custom-properties "^8.0.3"
+    postcss-custom-selectors "^5.1.1"
+    postcss-dir-pseudo-class "^5.0.0"
+    postcss-env-function "^2.0.1"
+    postcss-focus-visible "^4.0.0"
+    postcss-focus-within "^3.0.0"
+    postcss-font-variant "^4.0.0"
+    postcss-gap-properties "^2.0.0"
+    postcss-image-set-function "^3.0.1"
+    postcss-initial "^3.0.0"
+    postcss-lab-function "^2.0.1"
+    postcss-logical "^3.0.0"
+    postcss-media-minmax "^4.0.0"
+    postcss-nesting "^7.0.0"
+    postcss-overflow-shorthand "^2.0.0"
+    postcss-page-break "^2.0.0"
+    postcss-place "^4.0.1"
+    postcss-pseudo-class-any-link "^6.0.0"
+    postcss-replace-overflow-wrap "^3.0.0"
+    postcss-selector-matches "^4.0.0"
+    postcss-selector-not "^4.0.0"
 
-postcss-pseudo-class-any-link@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.npmjs.org/postcss-pseudo-class-any-link/-/postcss-pseudo-class-any-link-5.0.0.tgz#9979a55a75956c402c5d270a667632cf8ee8eccb"
+postcss-pseudo-class-any-link@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.npmjs.org/postcss-pseudo-class-any-link/-/postcss-pseudo-class-any-link-6.0.0.tgz#2ed3eed393b3702879dec4a87032b210daeb04d1"
   dependencies:
-    postcss "^6.0.22"
-    postcss-selector-parser "^4.0.0"
+    postcss "^7.0.2"
+    postcss-selector-parser "^5.0.0-rc.3"
 
 postcss-reduce-initial@^4.0.0:
   version "4.0.1"
@@ -6025,25 +6082,25 @@ postcss-reduce-transforms@^4.0.0:
     postcss "^6.0.0"
     postcss-value-parser "^3.0.0"
 
-postcss-replace-overflow-wrap@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.npmjs.org/postcss-replace-overflow-wrap/-/postcss-replace-overflow-wrap-2.0.0.tgz#794db6faa54f8db100854392a93af45768b4e25b"
+postcss-replace-overflow-wrap@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.npmjs.org/postcss-replace-overflow-wrap/-/postcss-replace-overflow-wrap-3.0.0.tgz#61b360ffdaedca84c7c918d2b0f0d0ea559ab01c"
   dependencies:
-    postcss "^6.0.1"
+    postcss "^7.0.2"
 
-postcss-selector-matches@^3.0.0, postcss-selector-matches@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.npmjs.org/postcss-selector-matches/-/postcss-selector-matches-3.0.1.tgz#e5634011e13950881861bbdd58c2d0111ffc96ab"
+postcss-selector-matches@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/postcss-selector-matches/-/postcss-selector-matches-4.0.0.tgz#71c8248f917ba2cc93037c9637ee09c64436fcff"
   dependencies:
-    balanced-match "^0.4.2"
-    postcss "^6.0.1"
+    balanced-match "^1.0.0"
+    postcss "^7.0.2"
 
-postcss-selector-not@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.npmjs.org/postcss-selector-not/-/postcss-selector-not-3.0.1.tgz#2e4db2f0965336c01e7cec7db6c60dff767335d9"
+postcss-selector-not@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/postcss-selector-not/-/postcss-selector-not-4.0.0.tgz#c68ff7ba96527499e832724a2674d65603b645c0"
   dependencies:
-    balanced-match "^0.4.2"
-    postcss "^6.0.1"
+    balanced-match "^1.0.0"
+    postcss "^7.0.2"
 
 postcss-selector-parser@^2.2.2:
   version "2.2.3"
@@ -6061,10 +6118,11 @@ postcss-selector-parser@^3.0.0, postcss-selector-parser@^3.1.1:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss-selector-parser@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-4.0.0.tgz#50c6570f40579036d8e63f23e6c0626fe5743527"
+postcss-selector-parser@^5.0.0-rc.3:
+  version "5.0.0-rc.3"
+  resolved "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-5.0.0-rc.3.tgz#c4525dcc8eb90166c53dcbf0cb9317ceff5a15b5"
   dependencies:
+    babel-eslint "^8.2.3"
     cssesc "^1.0.1"
     indexes-of "^1.0.1"
     uniq "^1.0.1"
@@ -6086,29 +6144,29 @@ postcss-unique-selectors@^4.0.0:
     postcss "^6.0.0"
     uniqs "^2.0.0"
 
-postcss-url@^7.3.2:
-  version "7.3.2"
-  resolved "https://registry.npmjs.org/postcss-url/-/postcss-url-7.3.2.tgz#5fea273807fb84b38c461c3c9a9e8abd235f7120"
+postcss-url@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.npmjs.org/postcss-url/-/postcss-url-8.0.0.tgz#7b10059bd12929cdbb1971c60f61a0e5af86b4ca"
   dependencies:
-    mime "^1.4.1"
+    mime "^2.3.1"
     minimatch "^3.0.4"
     mkdirp "^0.5.0"
-    postcss "^6.0.1"
+    postcss "^7.0.2"
     xxhashjs "^0.2.1"
 
 postcss-value-parser@^3.0.0, postcss-value-parser@^3.2.3, postcss-value-parser@^3.3.0:
   version "3.3.0"
   resolved "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-3.3.0.tgz#87f38f9f18f774a4ab4c8a232f5c5ce8872a9d15"
 
-postcss-values-parser@^1.5.0:
-  version "1.5.0"
-  resolved "http://registry.npmjs.org/postcss-values-parser/-/postcss-values-parser-1.5.0.tgz#5d9fa63e2bcb0179ce48f3235303765eb89f3047"
+postcss-values-parser@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.npmjs.org/postcss-values-parser/-/postcss-values-parser-2.0.0.tgz#1ba42cae31367c44f96721cb5eb99462bfb39705"
   dependencies:
     flatten "^1.0.2"
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss@^6.0, postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.16, postcss@^6.0.18, postcss@^6.0.20, postcss@^6.0.21, postcss@^6.0.22, postcss@^6.0.23:
+postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.20, postcss@^6.0.23:
   version "6.0.23"
   resolved "https://registry.npmjs.org/postcss/-/postcss-6.0.23.tgz#61c82cc328ac60e677645f979054eb98bc0e3324"
   dependencies:
@@ -6116,6 +6174,14 @@ postcss@^6.0, postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.16, postcss@^6.0.18,
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
+postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.2:
+  version "7.0.2"
+  resolved "https://registry.npmjs.org/postcss/-/postcss-7.0.2.tgz#7b5a109de356804e27f95a960bef0e4d5bc9bb18"
+  dependencies:
+    chalk "^2.4.1"
+    source-map "^0.6.1"
+    supports-color "^5.4.0"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -6847,7 +6913,7 @@ sax@^1.2.4, sax@~1.2.4:
   version "1.2.4"
   resolved "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
-schema-utils@^0.4.0, schema-utils@^0.4.2, schema-utils@^0.4.4, schema-utils@^0.4.5:
+schema-utils@^0.4.2, schema-utils@^0.4.4, schema-utils@^0.4.5:
   version "0.4.7"
   resolved "https://registry.npmjs.org/schema-utils/-/schema-utils-0.4.7.tgz#ba74f597d2be2ea880131746ee17d0a093c68187"
   dependencies: