.tab {
		margin:0;
		padding:0;
	    border:none}
.sm {
		list-style:none; 
		width:600px; 
		height:200px; 
		display:block; 
		overflow:hidden;
		margin:0;
		padding:0;
	    border:0
		}
		
.sm li {
		float:left; 
		display:inline; 
	   border:0;
	
		overflow:hidden}