finish css overhaul

svelte.config.js

@@ -1,6 +1,7 @@
 import { resolve } from 'node:path';
 
 import staticAdapter from '@sveltejs/adapter-static';
+import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
 import { mdsvex } from 'mdsvex';
 
 import { localRemark } from './src/plugins/remark.js';
@@ -15,6 +16,7 @@ const config = {
             remarkPlugins: [localRemark],
             rehypePlugins: [localRehype],
         }),
+        vitePreprocess(),
     ],
     kit: {
         // adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.