#content{
  .co-wraper{
    overflow:hidden;
    .option{
      .btn{
        display:block;
        background-color:$bare;
        height:55px;
        @include box-sizing(border-box);
        .h3{
          font-weight:700;
        }
      }
    }
  }
  .hotline{
    font-size:24px;
  }
}