.i-layout{
  &-tabs{
    .ivu-tabs.ivu-tabs-card > .ivu-tabs-bar .ivu-tabs-tab-active{
      position: relative;
      &::after{
        width:100%;
        position: absolute;
        height:2px;
        display: block;
        bottom:1px;
        left:0;
        content: "";
        z-index: -1;
      }
    }
  }
}