.weixin

{

width: 41px;

height: 39px;

position: relative;

font-size: 12px;

}

        .weixin a

        {

            width: 41px;

            height: 39px;

            display: block;

            position: absolute;

            background:url(../images/weixin.png) no-repeat center top;

        }

        .weixin .weixin_nr

        {

            width: 92px;

            height: 92px;

            padding: 5px;

            text-align: center;

            position: absolute;

            left: -35px;

            bottom: 45px;

            display: none;

        }

        .weixin .weixin_nr img

        {

            margin-bottom: 5px;

        }

        .weixin .weixin_nr .arrow

        {

            width: 0;

            height: 0;

            border-top: 10px solid #fff;

            border-left: 10px solid transparent;

            border-right: 10px solid transparent;

            position: absolute;

            left: 43px;

            bottom: -5px;

        }

        .weixin.on .weixin_nr

        {

            display: block;

        }