body{margin:0;padding:0;font-family:Arial,sans-serif;background-color:#f4f4f4;color:#333;text-align:center}.container{max-width:800px;margin:50px auto;padding:20px;background:#fff;border-radius:10px;box-shadow:0 0 10px #0000001a}h1{font-size:2rem;color:#007bff}button{background-color:#007bff;color:#fff;padding:10px 20px;border:none;border-radius:5px;cursor:pointer;font-size:1rem;margin-top:10px}button:hover{background-color:#0056b3}.white-link{color:#fff;text-decoration:none}