body {
    text-align: center;
    background-color: #000000;

    margin: 0px;
    padding: 0px;
}

#canvas {
    width: 512px;
    height: 512px;

    margin: 0px;
    padding: 0px;

    image-rendering: -moz-crisp-edges;
    image-rendering: -o-crisp-edges;
    image-rendering: -webkit-optimize-contrast;
    -ms-interpolation-mode: nearest-neighbor;
}