body {
    font-family: Arial, sans-serif;
    background: #f0f0f0;
    text-align: center;
    padding: 50px;
}

.container {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    display: inline-block;
}

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