* {
	margin:auto;
	padding:0
}
.sm {
	list-style:none;
	width:900px;
	height:200px;
	display:block;
	overflow:hidden;
	margin-top: 50px;
	margin-right: auto;
	margin-left: auto;
	padding-top: 10px;
	padding-bottom: 10px;
	border-top-width: 1px;
	border-bottom-width: 1px;
	border-top-style: solid;
	border-bottom-style: solid;
	border-top-color: #FFFFFF;
	border-bottom-color: #FFFFFF;
}
.sm li {
	float:left;
	display:inline;
	overflow:hidden;
	width: 300px;
	border-right-style: none;
	border-top-style: none;
	border-bottom-style: none;
	border-left-style: none;
}