canvas{
/* 	overflow-x: hidden; */
}

* {
	margin: 0;
	padding: 0;
}
body {
	position: relative;
	background: #000;
}
canvas {
	display: block;
}
#test {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
	width: 400px;
	height: 400px;
	background-color: #fff;
}