body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    padding: 20px;
}
.container {
    max-width: 600px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
h1 {
    color: #333;
}
form {
    margin-top: 20px;
}
button {
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 4px;
}
button:hover {
    background-color: #0056b3;
}
