* {margin:0; padding:0}
.sm {list-style:none; width:901px; height:315px; display:block; overflow:hidden}
.sm li {float:left; display:inline; overflow:hidden}
.sm2 {list-style:none; width:500px; height:150px; display:block; overflow:hidden}
.sm2 li {float:left; display:inline; overflow:hidden}