#slider
{
	text-align:center;
}	
#slider ul, #slider li
{
	margin:0;
	padding:0;
	list-style:none;
}
#slider li
{
	width:720px;
	height:300px;
	overflow:hidden; 
}	
p#controls
{
	margin:0;
	position:relative;
}
#prevBtn, #nextBtn
{
	display:block;
	margin:0;
	overflow:hidden;
	text-indent:-8000px;
	width:23px;
	height:300px;
	position:absolute;
	left:0px;
	top:-300px;
}
#nextBtn
{
	left:720px;
}
#prevBtn a, #nextBtn a
{
	display:block;
	width:23px;
	height:300px;
	background:url(images/anterior.jpg) no-repeat 0 0;
}
#nextBtn a
{
	background:url(images/siguiente.jpg) no-repeat 0 0;
}