body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

h1 {
    text-align: center;
}

h2 {
    margin-top: 20px;
}

form {
    margin-top: 20px;
}

button {
    padding: 10px;
    font-size: 16px;
    margin-top: 10px;
}