body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    font-family: Arial, sans-serif;
    margin: 20px;
}

.controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

canvas {
    border: 2px solid #000;
}