*{
	padding:0;
	margin:0;
}

header {
	position:fixed;
	bottom: 0;
	padding:4px;
}
#w-mat {
	background-image: url('img/banquet-grospixels.gif');
	background-size: cover;
	background-position: center center;
	background-repeat: no-repeat;
}
@media screen and (orientation: landscape) {
	header {
		position:fixed;
		top:0;
		padding:16px;
	}
}