#canvas {
    border: 2px solid black;
    width: 80vw;
    height: 80vw;
    display: block;
    margin: 0 auto;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.controls, select, option {
    font-size: 1.2rem;
}