.wechat_parent{position: absolute;right: 20px;top: 0px;}
.wechat_login{background: url("../images/weixin_ico.png") no-repeat; display: block;  height: 45px;  width: 90px;  }
.impowerBox .qrcode {width: 200px;}
.impowerBox .info {width: 200px;}
.impowerBox .status {text-align: center;}