article {
	background-color: #EEB;
}
h1 {
	color: #AA8;
	font-size: 4vh;
	text-shadow: 0px 0px 0.6em #442, 0.02em 0.02em 0.15em #000;
	}
a {
	color: #DDD;
}

.sideblauw {
	top: 25vh;
	background-color: #66A;
}
.vakblauw {
	width: 450px;
	float: left;
	margin: 1em;
	padding: 1em;
	background-color: #337;
	border: solid 0.2em #AAC;
	color: #AAC;
}

#sheet {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	display: block;
	width: 90vmin;
	height: 90vmin;
}