body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    padding: 50px;
}

.container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    width: 300px;
    margin: auto;
    text-align: center;
}

button {
    margin: 10px;
    padding: 10px 20px;
}