#slider{ margin: 10px auto; }	
#slider ul, #slider li{
	margin:0;
	padding:0;
	list-style:none;
	}
#slider li{ 
	width:538px;
	height:221px;
	overflow:hidden; 
	margin-bottom: 10px;
	}	
#prevBtn, #nextBtn{ 
	display:block;
	width:40px;
	height:40px;

	}	
#prevBtn{
    margin-top: -140px;
    float: left;
    padding-left: 5px;
}
#nextBtn{ 
	left:696px;
	margin-top:-140px;
	float:right;
	margin-right: 0;
	}														
#prevBtn a, #nextBtn a{  
	display:block;
	width:40px;
	height:40px;
	background:url(../../../images/left_arrow.png) no-repeat 0 0;	
	}	
#nextBtn a{ 
	background:url(../../../images/right_arrow.png) no-repeat 0 0;	
	}