.container_top {
	float:left;
	width: 960px;
	height:72px;
	margin: 0 auto;
	padding: 0;
	background-image: url(../images/summit_banner.jpg);
	background-repeat: no-repeat;
	background-position: center center;
}

.container_top img {
	width: 960px;
	height:72px;

}