diff --git a/package.json b/package.json
index d780c0d91..0a9395d92 100644
--- a/package.json
+++ b/package.json
@@ -96,7 +96,7 @@
     "resolve": "^1.12.0",
     "semver": "^7.3.2",
     "striptags": "^3.1.1",
-    "tailwindcss": "1.2.0",
+    "tailwindcss": "1.9.6",
     "walk-sync": "^2.0.2",
     "yuidocjs": "^0.10.2"
   },
diff --git a/yarn.lock b/yarn.lock
index c9fa4f68b..030ff81ce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1239,6 +1239,14 @@
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
+"@fullhuman/postcss-purgecss@^2.1.2":
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/@fullhuman/postcss-purgecss/-/postcss-purgecss-2.3.0.tgz#50a954757ec78696615d3e118e3fee2d9291882e"
+  integrity sha512-qnKm5dIOyPGJ70kPZ5jiz0I9foVOic0j+cOzNDoo8KoCf6HjicIZ99UfO2OmE7vCYSKAAepEwJtNzpiiZAh9xw==
+  dependencies:
+    postcss "7.0.32"
+    purgecss "^2.3.0"
+
 "@fullhuman/postcss-purgecss@^3.0.0":
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/@fullhuman/postcss-purgecss/-/postcss-purgecss-3.0.0.tgz#e39bf7a7d2a2c664ed151b639785b2efcbca33ff"
@@ -4710,7 +4718,7 @@ chai@^4.1.0, chai@^4.2.0:
     pathval "^1.1.0"
     type-detect "^4.0.5"
 
-chalk@4.1.0, chalk@^4.0.0, chalk@^4.1.0:
+chalk@4.1.0, "chalk@^3.0.0 || ^4.0.0", chalk@^4.0.0, chalk@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.0.tgz#4e14870a618d9e2edd97dd8345fd9d9dc315646a"
   integrity sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==
@@ -5068,7 +5076,7 @@ collection-visit@^1.0.0:
     map-visit "^1.0.0"
     object-visit "^1.0.0"
 
-color-convert@^1.9.0:
+color-convert@^1.9.0, color-convert@^1.9.1:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
   integrity sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==
@@ -5092,11 +5100,27 @@ color-name@1.1.3:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
 
-color-name@~1.1.4:
+color-name@^1.0.0, color-name@~1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
   integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
 
+color-string@^1.5.4:
+  version "1.5.4"
+  resolved "https://registry.yarnpkg.com/color-string/-/color-string-1.5.4.tgz#dd51cd25cfee953d138fe4002372cc3d0e504cb6"
+  integrity sha512-57yF5yt8Xa3czSEW1jfQDE79Idk0+AkN/4KWad6tbdxUmAs3MvjxlWSWD4deYytcRfoZ9nhKyFl1kj5tBvidbw==
+  dependencies:
+    color-name "^1.0.0"
+    simple-swizzle "^0.2.2"
+
+color@^3.1.2:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/color/-/color-3.1.3.tgz#ca67fb4e7b97d611dcde39eceed422067d91596e"
+  integrity sha512-xgXAcTHa2HeFCGLE9Xs/R82hujGtu9Jd9x4NW3T34+OMs7VoPsjwzRczKHvTAHeJwWFwX5j15+MgAppE8ztObQ==
+  dependencies:
+    color-convert "^1.9.1"
+    color-string "^1.5.4"
+
 colorette@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.1.tgz#4d0b921325c14faf92633086a536db6e89564b1b"
@@ -5143,6 +5167,11 @@ commander@^4.1.1:
   resolved "https://registry.yarnpkg.com/commander/-/commander-4.1.1.tgz#9fd602bd936294e9e9ef46a3f4d6964044b18068"
   integrity sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==
 
+commander@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-5.1.0.tgz#46abbd1652f8e059bddaef99bbdcb2ad9cf179ae"
+  integrity sha512-P0CysNDQ7rtVw4QIQtm+MRxV66vKFSvlsQvGYXZWR3qFU0jlMKHZZZgw8e+8DSah4UDKMqnknRDQz+xuQXQ/Zg==
+
 common-tags@^1.4.0, common-tags@^1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/common-tags/-/common-tags-1.8.0.tgz#8e3153e542d4a39e9b10554434afaaf98956a937"
@@ -9151,6 +9180,11 @@ html-entities@^1.2.1:
   resolved "https://registry.yarnpkg.com/html-entities/-/html-entities-1.3.1.tgz#fb9a1a4b5b14c5daba82d3e34c6ae4fe701a0e44"
   integrity sha512-rhE/4Z3hIhzHAUKbW8jVcCyuT5oJCXXqhN/6mXXVCpzTmvJnoH2HL/bt3EZ6p55jbFJBeAe1ZNpL5BugLujxNA==
 
+html-tags@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/html-tags/-/html-tags-3.1.0.tgz#7b5e6f7e665e9fb41f30007ed9e0d41e97fb2140"
+  integrity sha512-1qYz89hW3lFDEazhjW0yVAV87lw8lVkrJocr72XmBkMKsoSVJCQx3W8BXsC7hO2qAt8BoVjYjtAcZ9perqGnNg==
+
 htmlparser2@^3.9.1:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.10.1.tgz#bd679dc3f59897b6a34bb10749c855bb53a9392f"
@@ -9547,6 +9581,11 @@ is-arrayish@^0.2.1:
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
   integrity sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=
 
+is-arrayish@^0.3.1:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.3.2.tgz#4574a2ae56f7ab206896fb431eaeed066fdf8f03"
+  integrity sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ==
+
 is-binary-path@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
@@ -11777,6 +11816,11 @@ object-hash@^1.3.1:
   resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-1.3.1.tgz#fde452098a951cb145f039bb7d455449ddc126df"
   integrity sha512-OSuu/pU4ENM9kmREg0BdNrUDIl1heYa4mBZacJc+vVWz4GtAwu7jO8s4AIt2aGRUTqxykpWzI3Oqnsm13tTMDA==
 
+object-hash@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-2.0.3.tgz#d12db044e03cd2ca3d77c0570d87225b02e1e6ea"
+  integrity sha512-JPKn0GMu+Fa3zt3Bmr66JhokJU5BaNBIh4ZeTlaCBzrBsOeXzwcKKAK1tbLiPKgvwmPXsDvvLHoWh5Bm7ofIYg==
+
 object-inspect@^1.8.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.9.0.tgz#c90521d74e1127b67266ded3394ad6116986533a"
@@ -12725,6 +12769,16 @@ pupa@^2.1.1:
   dependencies:
     escape-goat "^2.0.0"
 
+purgecss@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/purgecss/-/purgecss-2.3.0.tgz#5327587abf5795e6541517af8b190a6fb5488bb3"
+  integrity sha512-BE5CROfVGsx2XIhxGuZAT7rTH9lLeQx/6M0P7DTXQH4IUc3BBzs9JUzt4yzGf3JrH9enkeq6YJBe9CTtkm1WmQ==
+  dependencies:
+    commander "^5.0.0"
+    glob "^7.0.0"
+    postcss "7.0.32"
+    postcss-selector-parser "^6.0.2"
+
 purgecss@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/purgecss/-/purgecss-3.0.0.tgz#039c191871bb999894222a00c4c8b179fccdb043"
@@ -13768,6 +13822,13 @@ simple-html-tokenizer@^0.5.10, simple-html-tokenizer@^0.5.8:
   resolved "https://registry.yarnpkg.com/simple-html-tokenizer/-/simple-html-tokenizer-0.5.10.tgz#0843e4f00c9677f1c81e3dfeefcee0a4aca8e5d0"
   integrity sha512-1DHMUmvUOGuUZ9/+cX/+hOhWhRD5dEw6lodn8WuV+T+cQ31hhBcCu1dcDsNotowi4mMaNhrLyKoS+DtB81HdDA==
 
+simple-swizzle@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/simple-swizzle/-/simple-swizzle-0.2.2.tgz#a4da6b635ffcccca33f70d17cb92592de95e557a"
+  integrity sha1-pNprY1/8zMoz9w0Xy5JZLeleVXo=
+  dependencies:
+    is-arrayish "^0.3.1"
+
 slash@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
@@ -14438,24 +14499,30 @@ taffydb@2.7.2:
   resolved "https://registry.yarnpkg.com/taffydb/-/taffydb-2.7.2.tgz#7bf8106a5c1a48251b3e3bc0a0e1732489fd0dc8"
   integrity sha1-e/gQalwaSCUbPjvAoOFzJIn9Dcg=
 
-tailwindcss@1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/tailwindcss/-/tailwindcss-1.2.0.tgz#5df317cebac4f3131f275d258a39da1ba3a0f291"
-  integrity sha512-CKvY0ytB3ze5qvynG7qv4XSpQtFNGPbu9pUn8qFdkqgD8Yo/vGss8mhzbqls44YCXTl4G62p3qVZBj45qrd6FQ==
+tailwindcss@1.9.6:
+  version "1.9.6"
+  resolved "https://registry.yarnpkg.com/tailwindcss/-/tailwindcss-1.9.6.tgz#0c5089911d24e1e98e592a31bfdb3d8f34ecf1a0"
+  integrity sha512-nY8WYM/RLPqGsPEGEV2z63riyQPcHYZUJpAwdyBzVpxQHOHqHE+F/fvbCeXhdF1+TA5l72vSkZrtYCB9hRcwkQ==
   dependencies:
+    "@fullhuman/postcss-purgecss" "^2.1.2"
     autoprefixer "^9.4.5"
+    browserslist "^4.12.0"
     bytes "^3.0.0"
-    chalk "^3.0.0"
+    chalk "^3.0.0 || ^4.0.0"
+    color "^3.1.2"
     detective "^5.2.0"
     fs-extra "^8.0.0"
-    lodash "^4.17.15"
+    html-tags "^3.1.0"
+    lodash "^4.17.20"
     node-emoji "^1.8.1"
     normalize.css "^8.0.1"
+    object-hash "^2.0.3"
     postcss "^7.0.11"
     postcss-functions "^3.0.0"
     postcss-js "^2.0.0"
     postcss-nested "^4.1.1"
     postcss-selector-parser "^6.0.0"
+    postcss-value-parser "^4.1.0"
     pretty-hrtime "^1.0.3"
     reduce-css-calc "^2.1.6"
     resolve "^1.14.2"