*{padding:0;margin:0;font-family:"微软雅黑"}
h2{margin:15px 0;font-weight: 300;}
.content{margin: 0 auto;max-width:728px;margin-top:20px;text-align:center}

.style1 ul li{float:center;margin:0 6px;position:relative;list-style:none; }
.style1 ul li{ -webkit-transition: all 0.5s; -moz-transition: all 0.5s; -o-transition: all 0.5s;}

.style1 ul li span{background:rgba(0, 0, 0, 0.5);color:#fff;border-bottom-left-radius: 2px;border-bottom-right-radius: 2px;line-height: 23px;position:absolute;bottom: 3px;width: 170px;left:0;font-size:12px;-webkit-transition: all 0.5s; -moz-transition: all 0.5s; -o-transition: all 0.5s; -ms-transition: all 0.5s;}
.style1 ul li:hover {-webkit-transform: scale(1.1); -moz-transform: scale(1.1); -o-transform: scale(1.1); -ms-transform: scale(1.1); }
.style1 ul li:hover span{ opacity:0}