body { font-family: Arial, sans-serif; background: #f0f4f8; }
.container { max-width: 600px; margin: 40px auto; background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 6px rgba(0,0,0,0.1); }
input, button { width: 100%; padding: 10px; margin: 6px 0; border: 1px solid #ccc; border-radius: 4px; }
button { background: #007bff; color: #fff; border: none; cursor: pointer; }
button:hover { background: #0056b3; }