body {
	margin: 0px;
	overflow-x : hidden;
	overflow-y : hidden;
}

#sbma {
	width: 800px;
	position: absolute;
	margin-bottom: -305px;
	bottom: 50%;
	height: 610px;
	margin-right: -400px;
	right: 50%;
}

#sbmb {
	width: 1024px;
	position: absolute;
	margin-bottom: -390px;
	bottom: 50%;
	height: 781px;
	margin-right: -512px;
	right: 50%;
}

#sbmc {
	width: 1280px;
	position: absolute;
	margin-bottom: -488px;
	bottom: 50%;
	height: 977px;
	margin-right: -640px;
	right: 50%;
}