header .logo a {
	display: block;
	font: 0/0 arial;
	color: transparent;
	content: "";
	display: block;
	position: absolute;
	height: 34px;
	width: 84px;
	background-image:url('//www.elka.nl/data/website/18/website-klein.png');
	background-position: 0 0;
	background-repeat: no-repeat;
}

@media (min-width: 1024px) {
	header .logo a {
		content: "";
		display: block;
		position: absolute;
		height: 85px;
		width: 136px;
		background-image:url('//www.elka.nl/data/website/18/website-groot.png');
		background-position: 0 0;
		background-repeat: no-repeat;
	}
}