diff --git a/package.json b/package.json
index 3edef06..ae96c32 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "date-fns": "^2.28.0",
     "luxon": "^1.26.0",
     "papaparse": "^5.3.2",
-    "postcss": "^7",
+    "postcss": "^8",
     "prelude-ts": "^1.0.3",
     "rxjs": "7.0.0-beta.13",
     "tailwindcss": "npm:@tailwindcss/postcss7-compat@^2.0.2",
diff --git a/yarn.lock b/yarn.lock
index 8d7ed85..ca525e4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1530,7 +1530,7 @@
   dependencies:
     mini-svg-data-uri "^1.2.3"
 
-"@tailwindcss/postcss7-compat@^2.0.2", "tailwindcss@npm:@tailwindcss/postcss7-compat@^2.0.2":
+"@tailwindcss/postcss7-compat@^2.0.2":
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/@tailwindcss/postcss7-compat/-/postcss7-compat-2.1.2.tgz#4ae2a3a3c05622ee04307997b0f8bea5c8dbc2b6"
   integrity sha512-bH2kw6uyqLnDMP8wzDUsis5ovrsRzfHEyiL1McADvqlW54g6y0KVHX1xzO7PH8Fl5s0Sq8vDOAp4+3V8MEcZ9g==
@@ -8504,10 +8504,10 @@ nan@^2.12.1:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
   integrity sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==
 
-nanoid@^3.1.23:
-  version "3.1.23"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.23.tgz#f744086ce7c2bc47ee0a8472574d5c78e4183a81"
-  integrity sha512-FiB0kzdP0FFVGDKlRLEQ1BgDzU87dy5NnzjeW9YZNt+/c3+q82EQDUwniSAUxp/F0gFNI1ZhKU1FqYsMuqZVnw==
+nanoid@^3.3.12:
+  version "3.3.16"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.16.tgz#a04d8ec4b1f10009d2d533947aefe4293737816c"
+  integrity sha512-bzlKTyNJ7+LdGIIwy8ijFpIqEQIvafahV7eYykJ8Cvh42EdJeODoJ6gUJXpQJvej1BddH8OqTXZNE/KfbWAu8Q==
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -9276,6 +9276,11 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
+picocolors@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.1.1.tgz#3d321af3eab939b083c8f929a1d12cda81c26b6b"
+  integrity sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==
+
 picomatch@^2.0.4, picomatch@^2.2.1, picomatch@^2.2.3:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.3.tgz#465547f359ccc206d3c48e46a1bcb89bf7ee619d"
@@ -9786,14 +9791,14 @@ postcss@^7, postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.18, po
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.1.10, postcss@^8.2.1:
-  version "8.2.15"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.15.tgz#9e66ccf07292817d226fc315cbbf9bc148fbca65"
-  integrity sha512-2zO3b26eJD/8rb106Qu2o7Qgg52ND5HPjcyQiK2B98O388h43A448LCslC0dI2P97wCAQRJsFvwTRcXxTKds+Q==
+postcss@^8, postcss@^8.1.10, postcss@^8.2.1:
+  version "8.5.18"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.18.tgz#8717e5a33a3b15fe8a538d2431a1e1bbbfb07614"
+  integrity sha512-xdB1oSLHbz1vRWgCDalrCqEFTWzFlhqFC5tIHLMOSUIjhm3XXQ1qrFy8S/ESr1JYRRXqM3c1QFiMZUJdUTqyMQ==
   dependencies:
-    colorette "^1.2.2"
-    nanoid "^3.1.23"
-    source-map "^0.6.1"
+    nanoid "^3.3.12"
+    picocolors "^1.1.1"
+    source-map-js "^1.2.1"
 
 prelude-ls@~1.1.2:
   version "1.1.2"
@@ -10885,6 +10890,11 @@ source-list-map@^2.0.0:
   resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.1.tgz#3993bd873bfc48479cca9ea3a547835c7c154b34"
   integrity sha512-qnQ7gVMxGNxsiL4lEuJwe/To8UnK7fAnmbGEEH8RpLouuKbeEm0lhbQVFIrNSuB+G7tVrAlVsZgETT5nljf+Iw==
 
+source-map-js@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-1.2.1.tgz#1ce5650fddd87abc099eda37dcff024c2667ae46"
+  integrity sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==
+
 source-map-resolve@^0.5.0:
   version "0.5.3"
   resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.3.tgz#190866bece7553e1f8f267a2ee82c606b5509a1a"
@@ -11336,6 +11346,41 @@ table@^5.2.3:
     slice-ansi "^2.1.0"
     string-width "^3.0.0"
 
+"tailwindcss@npm:@tailwindcss/postcss7-compat@^2.0.2":
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/@tailwindcss/postcss7-compat/-/postcss7-compat-2.1.2.tgz#4ae2a3a3c05622ee04307997b0f8bea5c8dbc2b6"
+  integrity sha512-bH2kw6uyqLnDMP8wzDUsis5ovrsRzfHEyiL1McADvqlW54g6y0KVHX1xzO7PH8Fl5s0Sq8vDOAp4+3V8MEcZ9g==
+  dependencies:
+    "@fullhuman/postcss-purgecss" "^3.1.3"
+    autoprefixer "^9"
+    bytes "^3.0.0"
+    chalk "^4.1.0"
+    chokidar "^3.5.1"
+    color "^3.1.3"
+    detective "^5.2.0"
+    didyoumean "^1.2.1"
+    dlv "^1.1.3"
+    fast-glob "^3.2.5"
+    fs-extra "^9.1.0"
+    html-tags "^3.1.0"
+    lodash "^4.17.21"
+    lodash.topath "^4.5.2"
+    modern-normalize "^1.0.0"
+    node-emoji "^1.8.1"
+    normalize-path "^3.0.0"
+    object-hash "^2.1.1"
+    parse-glob "^3.0.4"
+    postcss "^7"
+    postcss-functions "^3"
+    postcss-js "^2"
+    postcss-nested "^4"
+    postcss-selector-parser "^6.0.4"
+    postcss-value-parser "^4.1.0"
+    pretty-hrtime "^1.0.3"
+    quick-lru "^5.1.1"
+    reduce-css-calc "^2.1.8"
+    resolve "^1.20.0"
+
 tapable@^0.1.8:
   version "0.1.10"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.1.10.tgz#29c35707c2b70e50d07482b5d202e8ed446dafd4"