#slider{
  margin:0px auto;
  border: 5px solid #262626;
}	
#slider ul, #slider li{
	margin:0;
	padding:0;
	list-style:none;
	}
#slider li{ 
	width:535px;
	height:363px;
	overflow:hidden; 
	}	
#prevBtn, #nextBtn{ 
	display:block;
	width:30px;
	height:77px;
	position:absolute;
	left:150px;
	top:530px;
	}	
#nextBtn{ 
	left:820px;
	}														
#prevBtn a, #nextBtn a{  
	display:block;
	width:30px;
	height:77px;
	background:url(../skins/tango/prev-horizontal.png) no-repeat 0 0;	
	}	
#nextBtn a{ 
	background:url(../skins/tango/next-horizontal.png) no-repeat 0 0;	
	}