/* example_4 css */
#header_img {
	position: relative; /* important */
	overflow: hidden; /* important */
	width: 920px; /* important */
	height: 180px; /* important */
	background: #fff;
	clear: both;
}
#header_img_content {
	position: absolute;
	margin-top: 0;
	left: 0;
}
.header_img_item{
	margin: 0;
	padding: 0;
}

.header_img_item img {
	margin: 5px auto;
	padding: 0;
}