Update tailwind.config.js

tailwind.config.js

@@ -1,9 +1,19 @@
 /** @type {import('tailwindcss').Config} */
 module.exports = {
   content: [
-    "./src/**/*.{js,jsx,ts,tsx}"],
+    "./src/**/*.{js,jsx,ts,tsx}",    "./public/index.html"
+  ],
+  darkMode: 'class',
   theme: {
-    extend: {},
+    extend: {
+      fontFamily: {
+        sans: ['Inter', 'system-ui', 'sans-serif'],
+      },
+      animation: {
+        'pulse': 'pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite',
+        'bounce': 'bounce 1s infinite',
+      }
+    },
   },
   plugins: [],
-}
+}