moved to less for styles

svelte.config.js

@@ -1,11 +1,16 @@
 import adapter from '@sveltejs/adapter-auto';
-import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
+
+import { sveltePreprocess } from 'svelte-preprocess';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
   // Consult https://kit.svelte.dev/docs/integrations#preprocessors
   // for more information about preprocessors
-  preprocess: vitePreprocess(),
+  preprocess: sveltePreprocess({
+    less: {
+      prependData: `@import 'src/vars.less';`,
+    },
+  }),
 
   kit: {
     // adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.