/*返回顶部开始*/


#code_img{width:150px;height:150px;background: url(../image/qr.jpg) no-repeat;position:fixed;right:129px;bottom:88px;cursor:pointer;display:none;_position:absolute;_bottom:auto;_top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));_margin-bottom:67px;}
/*返回顶部结束*/