html, body {
	width: 100%;
	height: 100%;
  	margin: 0;
  	padding: 0;
	display: flex;
	justify-content: center;
	align-items: center;
}

html {	
	flex-direction: column;
}

body {
	flex-direction: row;
	overflow: hidden;
  touch-action: none;
	background: black;
}

canvas#mycanvas {
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin-left: auto;
  margin-right: auto;
  margin-top: 0;
  margin-bottom: 0;
  width: 100vh !important;
  height: 100vh !important;
  display: block;
}