html,
body {
    background-color: black;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    /* vertical */
    justify-content: center;
    /* horizontal */

    overflow: hidden;
}

canvas {
    /* position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); */
    width: 100vw !important;
    height: 100vh !important;
    object-fit: contain;
}