.info_wrow {

  margin: 50px auto;
  .left_btn{
    width: 200px;
    border: 14px solid #dfdfdf;
    float: left;
    background: white;
    padding-bottom: 300px;
  }
  .left_btn .btn{
    width: 200px;
    height: 70px;
    line-height: 70px;
    font-size: 18px;
    color: #333333;
    text-align: center;
    background: #f5f5f5;
    margin-bottom: 5px;
  }
  .left_btn .btnon{
    color: white;
    background: #d84848;
  }
  .btn_list div{
    width: 200px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    font-size: 16px;
    color: #333333;
    margin: 10px auto;
  }
  .btn_list div span{
    margin: auto 10px;
    display: inline-block;
    vertical-align: middle;
  }
  .btn_list  .on{
    color: #d84848;
  }
  .btn_list {
    display: none;
  }

  .right_info{
    width: 890px;
    border: 14px solid #dfdfdf;
    float: right;
    padding: 20px;
  }
  .right_info .info_list{
    display: none;
  }
}