Add css

package.json

@@ -32,6 +32,7 @@
     "uuid": "^13.0.0"
   },
   "devDependencies": {
+    "@tailwindcss/postcss": "^4.1.18",
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.1",
     "@testing-library/user-event": "^14.6.1",
@@ -39,7 +40,10 @@
     "@types/node": "^22.14.0",
     "@vitejs/plugin-react": "^5.0.0",
     "@vitest/coverage-v8": "^4.0.17",
+    "autoprefixer": "^10.4.23",
     "jsdom": "^27.4.0",
+    "postcss": "^8.5.6",
+    "tailwindcss": "^4.1.18",
     "typescript": "~5.8.2",
     "vite": "^6.2.0",
     "vitest": "^4.0.17"