body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f8f8f8;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 600px;
    margin: 100px auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}
.button {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}
.button:hover {
    background: #0056b3;
}