* {
    margin: 0;
    padding: 0;
    user-select: none;
}

html,
body {
    overflow: hidden;
    background-color: #000;
}

body {
    margin: 0;
    position: fixed;
    width: 100%;
    height: 100%;
}

canvas {
    width: 100%;
    height: 100%;
}