a{display:block;box-sizing:border-box;font-family:tahoma;font-size:14px;}

/*返回首页样式*/
.return{position:absolute;top:27px;right:27px;width:58px;height:50px;}

/*底部样式*/
i{display:block;width:52px;height:52px;background:url("images/logo.gif") no-repeat;}
p{text-align:center;padding-left:90px;}