switch default css variables to dark

tailwind.config.js

@@ -7,11 +7,8 @@ module.exports = {
   },
   plugins: [
     require("@catppuccin/tailwindcss")({
-      // prefix to use, e.g. `text-pink` becomes `text-ctp-pink`.
-      // default is `false`, which means no prefix
       prefix: "ctp",
-      // which flavour of colours to use by default, in the `:root`
-      defaultFlavour: "latte",
+      defaultFlavour: "frappe",
     }),
   ],
 };