.container{max-width:400px;margin:20px auto;padding:20px;border-radius:10px;background-color:#f9f9f9;box-shadow:0 4px 6px rgba(0,0,0,.1);text-align:center}button{padding:10px 15px;margin:5px;border:none;border-radius:5px;cursor:pointer;background-color:#007bff;color:white;font-size:16px}button:hover{background-color:#0056b3}input{width:80%;padding:8px;margin:5px 0;border:1px solid #ccc;border-radius:5px}p{font-size:14px;color:#333}