feat: more modular styling

moves styling over to sass and makes each individual theme easier to customize

yarn.lock

@@ -183,7 +183,7 @@ chalk@^4.0.0:
     ansi-styles "^4.1.0"
     supports-color "^7.1.0"
 
-chokidar@^3.4.1:
+"chokidar@>=3.0.0 <4.0.0", chokidar@^3.4.1:
   version "3.5.2"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.5.2.tgz#dba3976fcadb016f66fd365021d91600d01c1e75"
   integrity sha512-ekGhOnNVPgT77r4K/U3GDhu+FQ2S8TnK/s2KbIGXi0SZWuwkZ2QNyfWdZW+TVfn84DpEP7rLeCt2UI6bJ8GwbQ==
@@ -533,6 +533,11 @@ highlight.js@^11.2.0:
   resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-11.3.1.tgz#813078ef3aa519c61700f84fe9047231c5dc3291"
   integrity sha512-PUhCRnPjLtiLHZAQ5A/Dt5F8cWZeMyj9KRsACsWT+OD6OP0x6dp5OmT5jdx0JgEyPxPZZIPQpRN2TciUT7occw==
 
+immutable@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/immutable/-/immutable-4.0.0.tgz#b86f78de6adef3608395efb269a91462797e2c23"
+  integrity sha512-zIE9hX70qew5qTUjSS7wi1iwj/l7+m54KWU247nhM3v806UdGj1yDndXj+IOYxxtW9zyLI+xqFNZjTuDaLUqFw==
+
 import-fresh@^3.2.1:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/import-fresh/-/import-fresh-3.3.0.tgz#37162c25fcb9ebaa2e6e53d5b4d88ce17d9e0c2b"
@@ -893,6 +898,15 @@ sander@^0.5.0:
     mkdirp "^0.5.1"
     rimraf "^2.5.2"
 
+sass@^1.45.1:
+  version "1.45.1"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.45.1.tgz#fa03951f924d1ba5762949567eaf660e608a1ab0"
+  integrity sha512-pwPRiq29UR0o4X3fiQyCtrESldXvUQAAE0QmcJTpsI4kuHHcLzZ54M1oNBVIXybQv8QF2zfkpFcTxp8ta97dUA==
+  dependencies:
+    chokidar ">=3.0.0 <4.0.0"
+    immutable "^4.0.0"
+    source-map-js ">=0.6.2 <2.0.0"
+
 semver@^6.0.0:
   version "6.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"