html, body {
    margin: 0;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: black;
}

canvas {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100vw;
    max-height: 100vh;
}

#controls {
    color: white;
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    flex-direction: column;
}