diff --git a/components/fieldset/fieldset.tsx b/components/fieldset/fieldset.tsx
index 653e229..c8a3b7f 100644
--- a/components/fieldset/fieldset.tsx
+++ b/components/fieldset/fieldset.tsx
@@ -63,7 +63,7 @@ const Fieldset: React.FC<React.PropsWithChildren<FieldsetProps>> = React.memo(({
         {!hasTitle && <FieldsetTitle>{title}</FieldsetTitle>}
         {!hasSubtitle && <FieldsetSubtitle>{subtitle}</FieldsetSubtitle>}
       </div>
-      {FooterChildren && {FooterChildren}}
+      {FooterChildren && FooterChildren}
       <style jsx>{`
         .fieldset {
           background-color: ${theme.palette.background};
diff --git a/next.config.js b/next.config.js
index 4e8361c..87df920 100644
--- a/next.config.js
+++ b/next.config.js
@@ -1,4 +1,3 @@
-const withCSS = require('@zeit/next-css')
 const withMDX = require('@next/mdx')({
   extension: /\.(md|mdx)?$/,
   options: {
@@ -28,6 +27,4 @@ const nextConfig = {
   },
 }
 
-module.exports = withMDX(
-  withCSS(nextConfig)
-)
+module.exports = withMDX(nextConfig)
diff --git a/package.json b/package.json
index 21d25f0..bb20065 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,6 @@
     "@types/styled-jsx": "^2.2.8",
     "@typescript-eslint/eslint-plugin": "^2.24.0",
     "@typescript-eslint/parser": "^2.24.0",
-    "@zeit/next-css": "^1.0.1",
     "babel-loader": "^8.0.6",
     "eslint": "^6.8.0",
     "eslint-config-ts-lambdas": "^1.2.0",
@@ -74,4 +73,4 @@
     "webpack-cli": "^3.3.11"
   },
   "dependencies": {}
-}
\ No newline at end of file
+}
diff --git a/yarn.lock b/yarn.lock
index 1f3eac2..c6f0268 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1357,18 +1357,6 @@
   resolved "https://registry.yarnpkg.com/@xtuc/long/-/long-4.2.2.tgz#d291c6a4e97989b5c61d9acf396ae4fe133a718d"
   integrity sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==
 
-"@zeit/next-css@^1.0.1":
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/@zeit/next-css/-/next-css-1.0.1.tgz#4f784e841e7ca1b21b3468a902e2c1fa95a3e75c"
-  integrity sha512-yfHPRy/ne/5SddVClsoy+fpU7e0Cs1gkWA67/wm2uIu+9rznF45yQLxHEt5dPGF3h6IiIh7ZtIgA8VV8YKq87A==
-  dependencies:
-    css-loader "1.0.0"
-    extracted-loader "1.0.4"
-    find-up "2.1.0"
-    ignore-loader "0.1.2"
-    mini-css-extract-plugin "0.4.3"
-    postcss-loader "3.0.0"
-
 accepts@~1.3.5:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
@@ -1653,7 +1641,7 @@ autoprefixer@^9.6.1:
     postcss "^7.0.26"
     postcss-value-parser "^4.0.2"
 
-babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
+babel-code-frame@^6.22.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
   integrity sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=
@@ -2572,24 +2560,6 @@ css-has-pseudo@^0.10.0:
     postcss "^7.0.6"
     postcss-selector-parser "^5.0.0-rc.4"
 
-css-loader@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-1.0.0.tgz#9f46aaa5ca41dbe31860e3b62b8e23c42916bf56"
-  integrity sha512-tMXlTYf3mIMt3b0dDCOQFJiVvxbocJ5Ho577WiGPYPZcqVEO218L2iU22pDXzkTZCLDE+9AmGSUkWxeh/nZReA==
-  dependencies:
-    babel-code-frame "^6.26.0"
-    css-selector-tokenizer "^0.7.0"
-    icss-utils "^2.1.0"
-    loader-utils "^1.0.2"
-    lodash.camelcase "^4.3.0"
-    postcss "^6.0.23"
-    postcss-modules-extract-imports "^1.2.0"
-    postcss-modules-local-by-default "^1.2.0"
-    postcss-modules-scope "^1.1.0"
-    postcss-modules-values "^1.3.0"
-    postcss-value-parser "^3.3.0"
-    source-list-map "^2.0.0"
-
 css-loader@3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-3.3.0.tgz#65f889807baec3197313965d6cda9899f936734d"
@@ -2615,15 +2585,6 @@ css-prefers-color-scheme@^3.1.1:
   dependencies:
     postcss "^7.0.5"
 
-css-selector-tokenizer@^0.7.0:
-  version "0.7.2"
-  resolved "https://registry.yarnpkg.com/css-selector-tokenizer/-/css-selector-tokenizer-0.7.2.tgz#11e5e27c9a48d90284f22d45061c303d7a25ad87"
-  integrity sha512-yj856NGuAymN6r8bn8/Jl46pR+OC3eEvAhfGYDUe7YPtTPAYrSSw4oAniZ9Y8T5B92hjhwTBLUen0/vKPxf6pw==
-  dependencies:
-    cssesc "^3.0.0"
-    fastparse "^1.1.2"
-    regexpu-core "^4.6.0"
-
 css@2.2.4, css@^2.0.0:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/css/-/css-2.2.4.tgz#c646755c73971f2bba6a601e2cf2fd71b1298929"
@@ -3328,11 +3289,6 @@ extract-mdx-metadata@^1.0.0:
     "@mdx-js/mdx" "0.20.3"
     unist-util-visit "1.4.0"
 
-extracted-loader@1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/extracted-loader/-/extracted-loader-1.0.4.tgz#e1a3f1791813c14091a1959e261e23e95dd90115"
-  integrity sha512-G8A0hT/WCWIjesZm7BwbWdST5dQ08GNnCpTrJT/k/FYzuiJwlV1gyWjnuoizOzAR4jpEYXG2J++JyEKN/EB26Q==
-
 fast-deep-equal@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz#545145077c501491e33b15ec408c294376e94ae4"
@@ -3348,11 +3304,6 @@ fast-levenshtein@~2.0.6:
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
   integrity sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=
 
-fastparse@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/fastparse/-/fastparse-1.1.2.tgz#91728c5a5942eced8531283c79441ee4122c35a9"
-  integrity sha512-483XLLxTVIwWK3QTrMGRqUfUpoOs/0hbQrl2oz4J0pAcm3A3bu84wxTFqGqkJzewCLdME38xJLJAxBABfQT8sQ==
-
 fbjs@^0.8.0:
   version "0.8.17"
   resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.17.tgz#c4d598ead6949112653d6588b01a5cdcd9f90fdd"
@@ -3447,13 +3398,6 @@ find-cache-dir@^3.0.0:
     make-dir "^3.0.2"
     pkg-dir "^4.1.0"
 
-find-up@2.1.0, find-up@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
-  integrity sha1-RdG35QbHF93UgndaK3eSCjwMV6c=
-  dependencies:
-    locate-path "^2.0.0"
-
 find-up@4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-4.0.0.tgz#c367f8024de92efb75f2d4906536d24682065c3a"
@@ -3461,6 +3405,13 @@ find-up@4.0.0:
   dependencies:
     locate-path "^5.0.0"
 
+find-up@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
+  integrity sha1-RdG35QbHF93UgndaK3eSCjwMV6c=
+  dependencies:
+    locate-path "^2.0.0"
+
 find-up@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-3.0.0.tgz#49169f1d7993430646da61ecc5ae355c21c97b73"
@@ -3994,18 +3945,6 @@ iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@~0.4.13:
   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@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/icss-utils/-/icss-utils-2.1.0.tgz#83f0a0ec378bf3246178b6c2ad9136f135b1c962"
-  integrity sha1-g/Cg7DeL8yRheLbCrZE28TWxyWI=
-  dependencies:
-    postcss "^6.0.1"
-
 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"
@@ -4717,11 +4656,6 @@ lodash._reinterpolate@^3.0.0:
   resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
   integrity sha1-DM8tiRZq8Ds2Y8eWU4t1rG4RTZ0=
 
-lodash.camelcase@^4.3.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
-  integrity sha1-soqmKIorn8ZRA1x3EfZathkDMaY=
-
 lodash.curry@4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/lodash.curry/-/lodash.curry-4.1.1.tgz#248e36072ede906501d75966200a86dab8b23170"
@@ -5032,15 +4966,6 @@ mimic-fn@^2.0.0, mimic-fn@^2.1.0:
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
   integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
 
-mini-css-extract-plugin@0.4.3:
-  version "0.4.3"
-  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.4.3.tgz#98d60fcc5d228c3e36a9bd15a1d6816d6580beb8"
-  integrity sha512-Mxs0nxzF1kxPv4TRi2NimewgXlJqh0rGE30vviCU2WHrpbta6wklnUV9dr9FUtoAHmB3p3LeXEC+ZjgHvB0Dzg==
-  dependencies:
-    loader-utils "^1.1.0"
-    schema-utils "^1.0.0"
-    webpack-sources "^1.1.0"
-
 mini-css-extract-plugin@0.8.0:
   version "0.8.0"
   resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-0.8.0.tgz#81d41ec4fe58c713a96ad7c723cdb2d0bd4d70e1"
@@ -6058,13 +5983,6 @@ postcss-media-minmax@^4.0.0:
   dependencies:
     postcss "^7.0.2"
 
-postcss-modules-extract-imports@^1.2.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/postcss-modules-extract-imports/-/postcss-modules-extract-imports-1.2.1.tgz#dc87e34148ec7eab5f791f7cd5849833375b741a"
-  integrity sha512-6jt9XZwUhwmRUhb/CkyJY020PYaPJsCyt3UjbaWo6XEbH/94Hmv6MP7fG2C5NDU/BcHzyGYxNtHvM+LTf9HrYw==
-  dependencies:
-    postcss "^6.0.1"
-
 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"
@@ -6072,14 +5990,6 @@ postcss-modules-extract-imports@^2.0.0:
   dependencies:
     postcss "^7.0.5"
 
-postcss-modules-local-by-default@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/postcss-modules-local-by-default/-/postcss-modules-local-by-default-1.2.0.tgz#f7d80c398c5a393fa7964466bd19500a7d61c069"
-  integrity sha1-99gMOYxaOT+nlkRmvRlQCn1hwGk=
-  dependencies:
-    css-selector-tokenizer "^0.7.0"
-    postcss "^6.0.1"
-
 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"
@@ -6090,14 +6000,6 @@ postcss-modules-local-by-default@^3.0.2:
     postcss-selector-parser "^6.0.2"
     postcss-value-parser "^4.0.0"
 
-postcss-modules-scope@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-modules-scope/-/postcss-modules-scope-1.1.0.tgz#d6ea64994c79f97b62a72b426fbe6056a194bb90"
-  integrity sha1-1upkmUx5+XtipytCb75gVqGUu5A=
-  dependencies:
-    css-selector-tokenizer "^0.7.0"
-    postcss "^6.0.1"
-
 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"
@@ -6106,14 +6008,6 @@ postcss-modules-scope@^2.1.1:
     postcss "^7.0.6"
     postcss-selector-parser "^6.0.0"
 
-postcss-modules-values@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/postcss-modules-values/-/postcss-modules-values-1.3.0.tgz#ecffa9d7e192518389f42ad0e83f72aec456ea20"
-  integrity sha1-7P+p1+GSUYOJ9CrQ6D9yrsRW6iA=
-  dependencies:
-    icss-replace-symbols "^1.1.0"
-    postcss "^6.0.1"
-
 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"
@@ -6243,11 +6137,6 @@ 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:
-  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 "4.0.3"
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.0.3.tgz#651ff4593aa9eda8d5d0d66593a2417aeaeb325d"
@@ -6271,15 +6160,6 @@ postcss@7.0.21:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^6.0.1, postcss@^6.0.23:
-  version "6.0.23"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.23.tgz#61c82cc328ac60e677645f979054eb98bc0e3324"
-  integrity sha512-soOk1h6J3VMTZtVeVpv15/Hpdl2cBLX3CAw4TAbkpTJiNPk9YP/zWcD1ND+xEtvyuuvKzbxliTOIyvkSeSJ6ag==
-  dependencies:
-    chalk "^2.4.1"
-    source-map "^0.6.1"
-    supports-color "^5.4.0"
-
 postcss@^7.0.0, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.17, postcss@^7.0.18, postcss@^7.0.2, postcss@^7.0.23, postcss@^7.0.26, postcss@^7.0.5, postcss@^7.0.6:
   version "7.0.27"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.27.tgz#cc67cdc6b0daa375105b7c424a85567345fc54d9"
@@ -6665,7 +6545,7 @@ regexpp@^3.0.0:
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-3.0.0.tgz#dd63982ee3300e67b41c1956f850aa680d9d330e"
   integrity sha512-Z+hNr7RAVWxznLPuA7DIh8UNX1j9CDrUQxskw9IrBE1Dxue2lyXT+shqEIeLUjrokxIP8CMy1WkjgG3rTsd5/g==
 
-regexpu-core@^4.2.0, regexpu-core@^4.6.0, regexpu-core@^4.7.0:
+regexpu-core@^4.2.0, regexpu-core@^4.7.0:
   version "4.7.0"
   resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-4.7.0.tgz#fcbf458c50431b0bb7b45d6967b8192d91f3d938"
   integrity sha512-TQ4KXRnIn6tz6tjnrXEkD/sshygKH/j5KzK86X8MkeHyZ8qst/LZ89j3X4/8HEIfHANTFIP/AbXakeRhWIl5YQ==
@@ -7473,7 +7353,7 @@ supports-color@^2.0.0:
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
   integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
 
-supports-color@^5.3.0, supports-color@^5.4.0:
+supports-color@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
   integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==