html, body {
    width: 100%;
    height: 100dvh;
    margin: 0;
    overflow: hidden;
}

body {
    padding: 0;
    background: #4d4d4d;
    color: #cccccc;
    border: 0;

    display: flex;
    justify-content: center;
    align-items: center;
}

canvas {
    image-rendering: optimizeSpeed;
    -webkit-interpolation-mode: nearest-neighbor;
    -ms-touch-action: none;
    touch-action: none;

    display: block;
    margin: 0;
    padding: 0;
    border: 0;

    max-width: 100vw;
    max-height: 100dvh;
    width: auto;
    height: auto;
}

:-webkit-full-screen #canvas {
    width: 100%;
    height: 100%;
}

:-webkit-full-screen {
    width: 100%;
    height: 100%;
}