html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000000;
    text-align: center;
    scrollbar-width: none;
    -ms-overflow-style: none;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

canvas {
    display: block;
    touch-action: none;
}