html{
    background: #999;
}
body {
    margin: 0;
}
.draw-face{
    transform: scaleX(-1);
    /* width:100%;
    height:calc(100vw / 640 * 480); */
    object-fit: contain;
    image-rendering: pixelated;
}
video.draw-face{
    opacity: 0.01;
    position: fixed;
    top:0;
    right:0;
}

@media (max-width: 1000px) {
    canvas, video, button{
        display: none !important;
    }
    shell canvas{
        display: block !important;
    }
    html{
        background: green;
        overflow: hidden;
    }
}