body {
    font-family: Arial, sans-serif;
    background-color: #1e1e2f;
    color: white;
    text-align: center;
    margin: 0;
    padding: 20px;
}
button {
    background-color: #00ff99;
    border: none;
    cursor: pointer;
    margin-left: 10px;
}
button:hover {
    background-color: #00cc77;
}