.slider { 
	width: 100%; 
	position:relative;
}
.slider-content {
	width: 100%; 
	height:450px;
	overflow: hidden;
	position:relative;
	margin: 0 auto;
}
.slide{
	height:450px;
	width: 100%;
}
.slider-content:hover .prew, .slider-content:hover .next{opacity: 1;}

.slider-controls {
position:absolute;
right: 180px;  bottom: 25px;
}
.slider-controls .control-slide{
	display:inline-block;
	overflow:hidden;
	text-indent:-9999px;
}
.slider-controls .control-slide:hover {
	cursor:pointer;
	background-position:center center;
}
.slider-controls .control-slide.active {
	background-position:center top;
}
.prew, .next {
	
	width: 51px;
	height:100%;
	position:absolute;
	
	overflow:hidden;
	text-indent:-999px;
	background:url(/i/arrowBg.png) left center no-repeat;
	opacity:0.2;
	z-index:3;

}
.prew{
	left:25px;
	background:url(/i/arrowBg.png) left center no-repeat;
}
.next {
	right:25px;
	background:url(/i/arrowBg.png) right center no-repeat;
}
.prew:hover, .next:hover {
	opacity:1;
}
.slider-content:hover .prew, .slider-content:hover .next {
	display:block;
}