@charset "utf-8";body,ul {	padding: 0;	margin: 0;	}ul {	list-style: none;}.wrap {	position: relative;	width: 1200px;	height: 400px;	margin: 100px auto;	top: 60px;}.content {	position: absolute;	width: 1200px;	height: 400px;}.content li{	position: absolute;	background-size: 100% 100%;	cursor: pointer;}.wrap a {	position: absolute;	display: none;	z-index: 2;	top: 43%;	width: 60px;	height: 60px;	margin-top: -30px;	font: 36px/60px "宋体";	text-align: center;	text-decoration: none;	color: #fff;	transition: background 1s ease;	background-position: 255;}.wrap a:hover {}.prev {	left: 30px;}.next {	right: 30px;}