.viewer {
	margin: 5px auto;
	width: 958px;
	height: 418px;
	text-align: left;
	overflow: hidden;
}

.viewer ul {
	width: 958px;
	height: 418px;
	text-align: left;
	overflow: hidden;
	position: relative;
}

.viewer ul li {
	top: 0;
	left: 0;
	width: 950px;
	height: 410px;
	display: none;
	position: absolute;
	border:solid 4px #FFFFFF;
}