diff --git a/package.json b/package.json
index 3e494cb..f741ef9 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "bluebird": "^3.7.2",
     "bulma": "^0.7.1",
     "co": "~4.6.0",
-    "css-loader": "^2.1.1",
+    "css-loader": "^3.4.2",
     "debug": "^4.1.1",
     "ejs": "^3.0.1",
     "file-loader": "^5.0.2",
diff --git a/yarn.lock b/yarn.lock
index f410767..956fefa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1782,7 +1782,7 @@ camelcase@^4.0.0, camelcase@^4.1.0:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
   integrity sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=
 
-camelcase@^5.0.0, camelcase@^5.2.0:
+camelcase@^5.0.0, camelcase@^5.3.1:
   version "5.3.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
@@ -2361,22 +2361,23 @@ crypto-random-string@^1.0.0:
   resolved "https://registry.yarnpkg.com/crypto-random-string/-/crypto-random-string-1.0.0.tgz#a230f64f568310e1498009940790ec99545bca7e"
   integrity sha1-ojD2T1aDEOFJgAmUB5DsmVRbyn4=
 
-css-loader@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-2.1.1.tgz#d8254f72e412bb2238bb44dd674ffbef497333ea"
-  integrity sha512-OcKJU/lt232vl1P9EEDamhoO9iKY3tIjY5GU+XDLblAykTdgs6Ux9P1hTHve8nFKy5KPpOXOsVI/hIwi3841+w==
+css-loader@^3.4.2:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-3.4.2.tgz#d3fdb3358b43f233b78501c5ed7b1c6da6133202"
+  integrity sha512-jYq4zdZT0oS0Iykt+fqnzVLRIeiPWhka+7BqPn+oSIpWJAHak5tmB/WZrJ2a21JhCeFyNnnlroSl8c+MtVndzA==
   dependencies:
-    camelcase "^5.2.0"
-    icss-utils "^4.1.0"
+    camelcase "^5.3.1"
+    cssesc "^3.0.0"
+    icss-utils "^4.1.1"
     loader-utils "^1.2.3"
     normalize-path "^3.0.0"
-    postcss "^7.0.14"
+    postcss "^7.0.23"
     postcss-modules-extract-imports "^2.0.0"
-    postcss-modules-local-by-default "^2.0.6"
-    postcss-modules-scope "^2.1.0"
-    postcss-modules-values "^2.0.0"
-    postcss-value-parser "^3.3.0"
-    schema-utils "^1.0.0"
+    postcss-modules-local-by-default "^3.0.2"
+    postcss-modules-scope "^2.1.1"
+    postcss-modules-values "^3.0.0"
+    postcss-value-parser "^4.0.2"
+    schema-utils "^2.6.0"
 
 css-parse@1.7.x:
   version "1.7.0"
@@ -3808,12 +3809,7 @@ iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@^0.4.4:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
-icss-replace-symbols@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/icss-replace-symbols/-/icss-replace-symbols-1.1.0.tgz#06ea6f83679a7749e386cfe1fe812ae5db223ded"
-  integrity sha1-Bupvg2ead0njhs/h/oEq5dsiPe0=
-
-icss-utils@^4.1.0:
+icss-utils@^4.0.0, icss-utils@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/icss-utils/-/icss-utils-4.1.1.tgz#21170b53789ee27447c2f47dd683081403f9a467"
   integrity sha512-4aFq7wvWyMHKgxsH8QQtGpvbASCf+eM3wPRLI6R+MgAnTCZ6STYsRvttLvRWK0Nfif5piF394St3HeJDaljGPA==
@@ -6067,29 +6063,30 @@ postcss-modules-extract-imports@^2.0.0:
   dependencies:
     postcss "^7.0.5"
 
-postcss-modules-local-by-default@^2.0.6:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/postcss-modules-local-by-default/-/postcss-modules-local-by-default-2.0.6.tgz#dd9953f6dd476b5fd1ef2d8830c8929760b56e63"
-  integrity sha512-oLUV5YNkeIBa0yQl7EYnxMgy4N6noxmiwZStaEJUSe2xPMcdNc8WmBQuQCx18H5psYbVxz8zoHk0RAAYZXP9gA==
+postcss-modules-local-by-default@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-modules-local-by-default/-/postcss-modules-local-by-default-3.0.2.tgz#e8a6561be914aaf3c052876377524ca90dbb7915"
+  integrity sha512-jM/V8eqM4oJ/22j0gx4jrp63GSvDH6v86OqyTHHUvk4/k1vceipZsaymiZ5PvocqZOl5SFHiFJqjs3la0wnfIQ==
   dependencies:
-    postcss "^7.0.6"
-    postcss-selector-parser "^6.0.0"
-    postcss-value-parser "^3.3.1"
+    icss-utils "^4.1.1"
+    postcss "^7.0.16"
+    postcss-selector-parser "^6.0.2"
+    postcss-value-parser "^4.0.0"
 
-postcss-modules-scope@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-modules-scope/-/postcss-modules-scope-2.1.0.tgz#ad3f5bf7856114f6fcab901b0502e2a2bc39d4eb"
-  integrity sha512-91Rjps0JnmtUB0cujlc8KIKCsJXWjzuxGeT/+Q2i2HXKZ7nBUeF9YQTZZTNvHVoNYj1AthsjnGLtqDUE0Op79A==
+postcss-modules-scope@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/postcss-modules-scope/-/postcss-modules-scope-2.1.1.tgz#33d4fc946602eb5e9355c4165d68a10727689dba"
+  integrity sha512-OXRUPecnHCg8b9xWvldG/jUpRIGPNRka0r4D4j0ESUU2/5IOnpsjfPPmDprM3Ih8CgZ8FXjWqaniK5v4rWt3oQ==
   dependencies:
     postcss "^7.0.6"
     postcss-selector-parser "^6.0.0"
 
-postcss-modules-values@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-modules-values/-/postcss-modules-values-2.0.0.tgz#479b46dc0c5ca3dc7fa5270851836b9ec7152f64"
-  integrity sha512-Ki7JZa7ff1N3EIMlPnGTZfUMe69FFwiQPnVSXC9mnn3jozCRBYIxiZd44yJOV2AmabOo4qFf8s0dC/+lweG7+w==
+postcss-modules-values@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-modules-values/-/postcss-modules-values-3.0.0.tgz#5b5000d6ebae29b4255301b4a3a54574423e7f10"
+  integrity sha512-1//E5jCBrZ9DmRX+zCtmQtRSV6PV42Ix7Bzj9GbwJceduuf7IqP8MgeTXuRDHOWj2m0VzZD5+roFWDuU8RQjcg==
   dependencies:
-    icss-replace-symbols "^1.1.0"
+    icss-utils "^4.0.0"
     postcss "^7.0.6"
 
 postcss-selector-parser@^6.0.0, postcss-selector-parser@^6.0.2:
@@ -6101,15 +6098,15 @@ postcss-selector-parser@^6.0.0, postcss-selector-parser@^6.0.2:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss-value-parser@^3.3.0, 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@^4.0.0, postcss-value-parser@^4.0.2:
+  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@^7.0.14, postcss@^7.0.5, postcss@^7.0.6:
-  version "7.0.17"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.17.tgz#4da1bdff5322d4a0acaab4d87f3e782436bad31f"
-  integrity sha512-546ZowA+KZ3OasvQZHsbuEpysvwTZNGJv9EfyCQdsIDltPSWHAeTQ5fQy/Npi2ZDtLI3zs7Ps/p6wThErhm9fQ==
+postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.23, postcss@^7.0.5, postcss@^7.0.6:
+  version "7.0.26"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.26.tgz#5ed615cfcab35ba9bbb82414a4fa88ea10429587"
+  integrity sha512-IY4oRjpXWYshuTDFxMVkJDtWIk2LhsTlu8bZnbEJA4+bYT16Lvpo8Qv6EvDumhYRgzjZl489pmsY3qVgJQ08nA==
   dependencies:
     chalk "^2.4.2"
     source-map "^0.6.1"
@@ -6926,10 +6923,10 @@ schema-utils@^1.0.0:
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
-schema-utils@^2.5.0:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.1.tgz#eb78f0b945c7bcfa2082b3565e8db3548011dc4f"
-  integrity sha512-0WXHDs1VDJyo+Zqs9TKLKyD/h7yDpHUhEFsM2CzkICFdoX1av+GBq/J2xRTFfsQO5kBfhZzANf2VcIm84jqDbg==
+schema-utils@^2.5.0, schema-utils@^2.6.0:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.2.tgz#9205ec5978709b0d9edbccb9a316faf11617a017"
+  integrity sha512-sazKNMBX/jwrXRkOI7N6dtiTVYqzSckzol8SGuHt0lE/v3xSW6cUkOqzu6Bq2tW+dlUzq3CWIqHU3ZKauliqdg==
   dependencies:
     ajv "^6.10.2"
     ajv-keywords "^3.4.1"