html, body {
	overflow: hidden;
	margin: 0;
	padding: 0;
	width: 100%;
	height: 100%;
	font-family: Arial, cursive;
}

#rectangles {
	z-index: 1;
}

#header {
	position: absolute;
	top: 0;
	z-index: 1000;
	color: white;
	font-size: 32px;
	width: 60%;
	left: 20%;
	text-align: center;
	margin-top: 1em;
}