html {
	background: white;
	height: 100%;
}

body {
	height: 100%;
	margin: 0;
}

canvas{
		margin-right: auto;
		margin-left: auto;
		display: block;
}
canvas {
		padding: 0;
		margin: auto;
		display: block;
		position: absolute;
		top: 0;
		bottom: 0;
		left: 0;
		right: 0;
}