body {
	/* override the default margin of the html body */
	margin: 0;
}

#canvasContainer {
	height: 100vh;
	width: 100vw;
	display: flex;
	align-items: center;
	justify-content: center;
}

#myCanvas {
	max-width: 100%;
	max-height: 100%;
	border: 0px solid red; 
	background-size: 100% 100%;
	padding: 10px;
        box-sizing: border-box;
}