#slider ul, #slider li{
	margin:0;
	padding:0;
	list-style:none;
	}
#slider, #slider li{ 
	width:255px;/*500*/
	height:250px;
	overflow:hidden; 
	/*border:1px solid red;*/
	}
#slider ul li img {
	border:2px solid #fff;
}

#slider {
margin:15px 0 0 20px;
float:right;
}
span#prevBtn{}
span#nextBtn{}