html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

html {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 48rem;
    max-height: 32rem;
}

body {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

canvas {
    outline: none;
}