body {
    margin: 0;
    padding: none;
    background-color: #000;
}
/* the canvas *must not* have any border or padding, or mouse coords will be wrong */
#canvas {
    padding-right: 0;
    display: block;
    border: 0px none;
    visibility: hidden;
    image-rendering: optimizespeed;
    image-rendering: pixelated;
}