body {
    background-color: #000;
    color: #fff;
    text-align: center;
    font-family: Arial, sans-serif;
}

.controls button {
    margin: 10px;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
}

canvas {
    background-color: #222;
    margin-top: 20px;
    border: 2px solid #fff;
}