* {
    margin: 0;
    padding: 0;
}

body {
    background: black;
    height: 100%;
}

html {
    height: 100%;
}

canvas {
    display: block;
    margin: 0 auto;
    border-radius: 4px;
    height: 100%;
    outline: 1px solid white;
}

#preload>* {
    display: none;
}

@media screen and (max-width: 540px) {
    canvas {
        width: 100%;
    }
}