#pattern2 {
	width: 100%;
	z-index: 0;
	height: 500px;
	top: 0;
	position: absolute;
	left: 0;
	overflow: hidden;
}

#pattern2b {
	width: 100%;
	z-index: 0;
	height: 500px;
	top: 0;
	position: absolute;
	left: 0;
	overflow: hidden;
	visibility: hidden;
}