* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: none;
    background-color: rgb( 0, 0, 0 );
}

canvas {
    display: block;
    position: absolute;
    max-width: 100%;
    max-height: 100%;
    padding: 0;
    border: 0px none;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

#canvas {
    visibility: hidden;
}