diff --git a/nuxt.config.ts b/nuxt.config.ts
index 2c6fe87..722aeab 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -5,13 +5,8 @@ export default defineNuxtConfig({
   modules: [
     '@nuxt/ui'
   ],
-  ui: {
-    theme: {
-      colors: {
-        primary: 'red',
-        gray: 'slate'
-      }
-    }
+  colorMode: {
+    preference: 'light'
   },
   runtimeConfig: {
     jwtSecret: process.env.JWT_SECRET || 'your-secret-key',
diff --git a/postcss.config.js b/postcss.config.js
new file mode 100644
index 0000000..2e7af2b
--- /dev/null
+++ b/postcss.config.js
@@ -0,0 +1,6 @@
+export default {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}