*{margin: 0; padding: 0;}
body{font-size: 16px; font-family:"微软雅黑";}
img{border: none; width: 100%;}
li{list-style:none;}
a{text-decoration:none;}


.left{float:left;}
.right{float:right;}
.clearfix:after{content: "nihao"; display: block; clear:both ;height: 0; overflow: hidden;}
.clearfix{zoom: 0;}
.wraper{width:1100px;margin: 0 auto;}