body {
    font-family: sans-serif;
    margin: 0;
    padding: 20px;
}

h1 {
    text-align: center;
}

.menu {
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 16px;
    margin-top: 20px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
}