.sprite {
    display: inline;
    position: absolute;
    visibility: hidden;
    top: -100%;
}

body {
    margin: 0;
}

#canvas-holder {
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

#canvas {
    position: relative;
    display: block;
    margin: auto;
}

.pixelated {
    image-rendering: -moz-crisp-edges;
    image-rendering: -webkit-crisp-edges;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}