html, body {
	height: 100%;
	overflow: auto;
}

body {
	margin: 0;
	background: url('uc_relive.jpg');
	background-size: contain;
	background-repeat: no-repeat;
	background-position: top center;
}


@media screen and (max-width: 768px) {

body {
	background: url('uc_relive_mobile.jpg');
	background-size: contain;
	background-repeat: no-repeat;
	background-position: top center;
}

}