*{margin:0;padding:0;}
li{list-style:none;}
	body{
	background-color: #F7F5F5;
}
.one{height:160px;overflow:hidden;position:relative; }
.one ul{height:160px;width:100000px;position:absolute;left:0;} /*ul width的宽不能过小*/
.one ul li{display:block;float:left;margin:5px;height:150px;border-radius:5px;position:relative;}
.one ul li a{display:inline-block;height:150px;} 
.one ul li img{border-radius:5px;display:block;width: 200px;height: 150px;}
.one ul li a span{height:0;display:block;background:rgba(0,0,0,0.4);position:absolute;bottom:0;color:#fff;font-size:0px;}
.one ul li a:hover span{height:150px;line-height:150px;font-size:20px;text-align:center;transition:all 0.7s;}

.two{margin:50px auto;height:90px;width:1000px;overflow:hidden;position:relative; }
.two ul{height:90px;width:100000px;position:absolute;left:0;}/*ul width的宽不能过小*/
.two ul li{display:block;float:left;margin:5px;height:80px;border-radius:5px;position:relative;}
.two ul li a{display:inline-block;height:80px;} 
.two ul li img{display:block;border-radius:5px;height:80px;}
.two ul li a span{height:0;display:block;background:rgba(0,0,0,0.4);position:absolute;bottom:0;color:#fff;font-size:0px;}
.two ul li a:hover span{height:80px;line-height:80px;font-size:20px;text-align:center;transition:all 0.7s;}