body {
    font-family: Arial, sans-serif;
    padding: 20px;
    background-color: #f4f4f4;
}

h1 {
    color: #333;
    text-align: center;
}

form {
    max-width: 500px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
}

label {
    display: block;
    margin: 15px 0 5px;
}

input[type="radio"] {
    margin-right: 10px;
}

button {
    display: block;
    margin: 20px auto;
    padding: 10px 30px;
    background-color: #4A90E2;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}