html {
	-webkit-user-select: none;
	-webkit-text-size-adjust: none;
	position: fixed;
    overflow: hidden;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: silver;
}

body {
	width: 100%;
	height: 100%;
	background:#000;
	padding:0;
	margin:0;
	font-weight: bold;
}

canvas {
	width: 100%;
	height: 100%;
	z-index: 0;
}