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

canvas {
    background: radial-gradient(#2A2A2A, #111);
}

.sx-link {
    position: absolute;
    right: 10px;
    bottom: 10px;
}

.sx-logo {
    width: 50px;
    height: 50px;
}