diff --git a/package.json b/package.json
index bbd33d8e..d122a2e8 100644
--- a/package.json
+++ b/package.json
@@ -90,7 +90,7 @@
     "nyc": "11.6.0",
     "sinon": "4.4.8",
     "socket.io-client": "2.1.0",
-    "stylelint": "9.1.3",
+    "stylelint": "9.2.0",
     "stylelint-config-standard": "18.2.0",
     "textcomplete": "0.17.1",
     "undate": "0.2.4",
diff --git a/yarn.lock b/yarn.lock
index 16bf2394..a121a18d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,10 +2,121 @@
 # yarn lockfile v1
 
 
+"@babel/code-frame@7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0-beta.42.tgz#a9c83233fa7cd06b39dc77adbb908616ff4f1962"
+  dependencies:
+    "@babel/highlight" "7.0.0-beta.42"
+
+"@babel/core@^7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.0.0-beta.42.tgz#b3a838fddbd19663369a0b4892189fd8d3f82001"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.42"
+    "@babel/generator" "7.0.0-beta.42"
+    "@babel/helpers" "7.0.0-beta.42"
+    "@babel/template" "7.0.0-beta.42"
+    "@babel/traverse" "7.0.0-beta.42"
+    "@babel/types" "7.0.0-beta.42"
+    babylon "7.0.0-beta.42"
+    convert-source-map "^1.1.0"
+    debug "^3.1.0"
+    json5 "^0.5.0"
+    lodash "^4.2.0"
+    micromatch "^2.3.11"
+    resolve "^1.3.2"
+    semver "^5.4.1"
+    source-map "^0.5.0"
+
+"@babel/generator@7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.0.0-beta.42.tgz#777bb50f39c94a7e57f73202d833141f8159af33"
+  dependencies:
+    "@babel/types" "7.0.0-beta.42"
+    jsesc "^2.5.1"
+    lodash "^4.2.0"
+    source-map "^0.5.0"
+    trim-right "^1.0.1"
+
+"@babel/helper-function-name@7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.42.tgz#b38b8f4f85168d1812c543dd700b5d549b0c4658"
+  dependencies:
+    "@babel/helper-get-function-arity" "7.0.0-beta.42"
+    "@babel/template" "7.0.0-beta.42"
+    "@babel/types" "7.0.0-beta.42"
+
+"@babel/helper-get-function-arity@7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.42.tgz#ad072e32f912c033053fc80478169aeadc22191e"
+  dependencies:
+    "@babel/types" "7.0.0-beta.42"
+
+"@babel/helper-split-export-declaration@7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.42.tgz#0d0d5254220a9cc4e7e226240306b939dc210ee7"
+  dependencies:
+    "@babel/types" "7.0.0-beta.42"
+
+"@babel/helpers@7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.0.0-beta.42.tgz#151c1c4e9da1b6ce83d54c1be5fb8c9c57aa5044"
+  dependencies:
+    "@babel/template" "7.0.0-beta.42"
+    "@babel/traverse" "7.0.0-beta.42"
+    "@babel/types" "7.0.0-beta.42"
+
+"@babel/highlight@7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.0.0-beta.42.tgz#a502a1c0d6f99b2b0e81d468a1b0c0e81e3f3623"
+  dependencies:
+    chalk "^2.0.0"
+    esutils "^2.0.2"
+    js-tokens "^3.0.0"
+
+"@babel/template@7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.0.0-beta.42.tgz#7186d4e70d44cdec975049ba0a73bdaf5cdee052"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.42"
+    "@babel/types" "7.0.0-beta.42"
+    babylon "7.0.0-beta.42"
+    lodash "^4.2.0"
+
+"@babel/traverse@7.0.0-beta.42", "@babel/traverse@^7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.0.0-beta.42.tgz#f4bf4d1e33d41baf45205e2d0463591d57326285"
+  dependencies:
+    "@babel/code-frame" "7.0.0-beta.42"
+    "@babel/generator" "7.0.0-beta.42"
+    "@babel/helper-function-name" "7.0.0-beta.42"
+    "@babel/helper-split-export-declaration" "7.0.0-beta.42"
+    "@babel/types" "7.0.0-beta.42"
+    babylon "7.0.0-beta.42"
+    debug "^3.1.0"
+    globals "^11.1.0"
+    invariant "^2.2.0"
+    lodash "^4.2.0"
+
+"@babel/types@7.0.0-beta.42":
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.0.0-beta.42.tgz#1e2118767684880f6963801b272fd2b3348efacc"
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.2.0"
+    to-fast-properties "^2.0.0"
+
 "@fortawesome/fontawesome-free-webfonts@1.0.5":
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/@fortawesome/fontawesome-free-webfonts/-/fontawesome-free-webfonts-1.0.5.tgz#3b9e023b6230cdb144204f08e77178c7694e9045"
 
+"@mrmlnc/readdir-enhanced@^2.2.1":
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz#524af240d1a360527b730475ecfa1344aa540dde"
+  dependencies:
+    call-me-maybe "^1.0.1"
+    glob-to-regexp "^0.3.0"
+
 "@sinonjs/formatio@^2.0.0":
   version "2.0.0"
   resolved "http://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz#84db7e9eb5531df18a8c5e0bfb6e449e55e654b2"
@@ -821,6 +932,10 @@ babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.24.1, babel-types@^6.26
     lodash "^4.17.4"
     to-fast-properties "^1.0.3"
 
+babylon@7.0.0-beta.42, babylon@^7.0.0-beta.42:
+  version "7.0.0-beta.42"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.42.tgz#67cfabcd4f3ec82999d29031ccdea89d0ba99657"
+
 babylon@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
@@ -1154,6 +1269,10 @@ caching-transform@^1.0.0:
     mkdirp "^0.5.1"
     write-file-atomic "^1.1.4"
 
+call-me-maybe@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/call-me-maybe/-/call-me-maybe-1.0.1.tgz#26d208ea89e37b5cbde60250a15f031c16a4d66b"
+
 caller-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
@@ -1564,7 +1683,7 @@ content-type@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
 
-convert-source-map@^1.5.0, convert-source-map@^1.5.1:
+convert-source-map@^1.1.0, convert-source-map@^1.5.0, convert-source-map@^1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.1.tgz#b8278097b9bc229365de5c62cf5fcaed8b5599e5"
 
@@ -2554,6 +2673,16 @@ fast-deep-equal@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
 
+fast-glob@^2.0.2:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-2.2.0.tgz#e9d032a69b86bef46fc03d935408f02fb211d9fc"
+  dependencies:
+    "@mrmlnc/readdir-enhanced" "^2.2.1"
+    glob-parent "^3.1.0"
+    is-glob "^4.0.0"
+    merge2 "^1.2.1"
+    micromatch "^3.1.8"
+
 fast-json-stable-stringify@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
@@ -2829,9 +2958,9 @@ get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
 
-get-stdin@^5.0.1:
-  version "5.0.1"
-  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
+get-stdin@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
 
 get-stream@^3.0.0:
   version "3.0.0"
@@ -2867,6 +2996,10 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
+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"
+
 glob@7.1.2, glob@^7.0.3, glob@^7.0.5, glob@^7.0.6, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
@@ -2882,6 +3015,10 @@ globals@^11.0.1:
   version "11.3.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-11.3.0.tgz#e04fdb7b9796d8adac9c8f64c14837b2313378b0"
 
+globals@^11.1.0:
+  version "11.4.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.4.0.tgz#b85c793349561c16076a3c13549238a27945f1bc"
+
 globals@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
@@ -2907,7 +3044,7 @@ globby@^6.1.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-globby@^7.0.0, globby@^7.1.1:
+globby@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/globby/-/globby-7.1.1.tgz#fb2ccff9401f8600945dfada97440cca972b8680"
   dependencies:
@@ -2918,6 +3055,18 @@ globby@^7.0.0, globby@^7.1.1:
     pify "^3.0.0"
     slash "^1.0.0"
 
+globby@^8.0.0:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-8.0.1.tgz#b5ad48b8aa80b35b814fc1281ecc851f1d2b5b50"
+  dependencies:
+    array-union "^1.0.1"
+    dir-glob "^2.0.0"
+    fast-glob "^2.0.2"
+    glob "^7.1.2"
+    ignore "^3.3.5"
+    pify "^3.0.0"
+    slash "^1.0.0"
+
 globjoin@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/globjoin/-/globjoin-0.1.4.tgz#2f4494ac8919e3767c5cbb691e9f463324285d43"
@@ -3260,6 +3409,10 @@ ignore@^3.3.3, ignore@^3.3.5:
   version "3.3.7"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
 
+import-lazy@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/import-lazy/-/import-lazy-3.1.0.tgz#891279202c8a2280fdbd6674dbd8da1a1dfc67cc"
+
 import-local@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/import-local/-/import-local-1.0.0.tgz#5e4ffdc03f4fe6c009c6729beb29631c2f8227bc"
@@ -3341,7 +3494,7 @@ intersection-observer@0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/intersection-observer/-/intersection-observer-0.5.0.tgz#9fe8bee3953c755b1485c38efd9633d535775ea6"
 
-invariant@^2.2.2:
+invariant@^2.2.0, invariant@^2.2.2:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
   dependencies:
@@ -3786,6 +3939,10 @@ jsesc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
 
+jsesc@^2.5.1:
+  version "2.5.1"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-2.5.1.tgz#e421a2a8e20d6b0819df28908f782526b96dd1fe"
+
 jsesc@~0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
@@ -4042,7 +4199,7 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@4.17.5, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.3.0:
+lodash@4.17.5, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0:
   version "4.17.5"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
 
@@ -4224,6 +4381,10 @@ merge-source-map@^1.0.2:
   dependencies:
     source-map "^0.6.1"
 
+merge2@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.2.1.tgz#271d2516ff52d4af7f7b710b8bf3e16e183fef66"
+
 methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
@@ -5151,17 +5312,20 @@ postcss-filter-plugins@^2.0.0:
     postcss "^5.0.4"
     uniqid "^4.0.0"
 
-postcss-html@^0.15.0:
-  version "0.15.0"
-  resolved "https://registry.yarnpkg.com/postcss-html/-/postcss-html-0.15.0.tgz#11ba3c07c817d0816f091fe40817a8ecd861300f"
+postcss-html@^0.18.0:
+  version "0.18.0"
+  resolved "https://registry.yarnpkg.com/postcss-html/-/postcss-html-0.18.0.tgz#992a84117cc56f9f28915fbadba576489641e652"
   dependencies:
+    "@babel/core" "^7.0.0-beta.42"
+    "@babel/traverse" "^7.0.0-beta.42"
+    babylon "^7.0.0-beta.42"
     htmlparser2 "^3.9.2"
     remark "^9.0.0"
     unist-util-find-all-after "^1.0.1"
 
-postcss-less@^1.1.0:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/postcss-less/-/postcss-less-1.1.3.tgz#6930525271bfe38d5793d33ac09c1a546b87bb51"
+postcss-less@^1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/postcss-less/-/postcss-less-1.1.5.tgz#a6f0ce180cf3797eeee1d4adc0e9e6d6db665609"
   dependencies:
     postcss "^5.2.16"
 
@@ -5927,6 +6091,12 @@ resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
 
+resolve@^1.3.2:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.6.0.tgz#0fbd21278b27b4004481c395349e7aba60a9ff5c"
+  dependencies:
+    path-parse "^1.0.5"
+
 restore-cursor@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-2.0.0.tgz#9f7ee287f82fd326d4fd162923d62129eee0dfaf"
@@ -6019,7 +6189,7 @@ selfsigned@^1.9.1:
   dependencies:
     node-forge "0.7.1"
 
-"semver@2 || 3 || 4 || 5", semver@5.5.0, semver@^5.1.0, semver@^5.3.0:
+"semver@2 || 3 || 4 || 5", semver@5.5.0, semver@^5.1.0, semver@^5.3.0, semver@^5.4.1:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
@@ -6301,7 +6471,7 @@ source-map@^0.4.4:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
+source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
@@ -6574,9 +6744,9 @@ stylelint-config-standard@18.2.0:
   dependencies:
     stylelint-config-recommended "^2.1.0"
 
-stylelint@9.1.3:
-  version "9.1.3"
-  resolved "https://registry.yarnpkg.com/stylelint/-/stylelint-9.1.3.tgz#8260f2a221b98e4afafd9b2b8a785d2e38cbb8a4"
+stylelint@9.2.0:
+  version "9.2.0"
+  resolved "https://registry.yarnpkg.com/stylelint/-/stylelint-9.2.0.tgz#f77a82518106074c1a795e962fd780da2c8af43b"
   dependencies:
     autoprefixer "^8.0.0"
     balanced-match "^1.0.0"
@@ -6585,11 +6755,12 @@ stylelint@9.1.3:
     debug "^3.0.0"
     execall "^1.0.0"
     file-entry-cache "^2.0.0"
-    get-stdin "^5.0.1"
-    globby "^7.0.0"
+    get-stdin "^6.0.0"
+    globby "^8.0.0"
     globjoin "^0.1.4"
     html-tags "^2.0.0"
     ignore "^3.3.3"
+    import-lazy "^3.1.0"
     imurmurhash "^0.1.4"
     known-css-properties "^0.6.0"
     lodash "^4.17.4"
@@ -6600,8 +6771,8 @@ stylelint@9.1.3:
     normalize-selector "^0.2.0"
     pify "^3.0.0"
     postcss "^6.0.16"
-    postcss-html "^0.15.0"
-    postcss-less "^1.1.0"
+    postcss-html "^0.18.0"
+    postcss-less "^1.1.5"
     postcss-media-query-parser "^0.2.3"
     postcss-reporter "^5.0.0"
     postcss-resolve-nested-selector "^0.1.1"
@@ -6818,6 +6989,10 @@ to-fast-properties@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
 
+to-fast-properties@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
+
 to-object-path@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/to-object-path/-/to-object-path-0.3.0.tgz#297588b7b0e7e0ac08e04e672f85c1f4999e17af"