body
{
    background-color: #404040;
    margin: 0;
}

canvas
{
    background: black;
    image-rendering: optimizeSpeed;
	image-rendering: -moz-crisp-edges;
	image-rendering: -webkit-optimize-contrast;
	image-rendering: optimize-contrast;
	-ms-interpolation-mode: nearest-neighbor;

    margin: auto;
    display: block;
    position: absolute;
    top:0;
    bottom:0;
    left:0;
    right:0;
}

canvas:focus {
    outline: none;
}