body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    text-align: center;
    padding-top: 50px;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: inline-block;
}

button {
    padding: 10px 20px;
    margin-top: 10px;
    cursor: pointer;
}