.drtab{
  height:100%;
  overflow: auto;
  .app-dr-tab {
      height: 100%;
      >.ivu-tabs-bar {
          margin-bottom: 0px;
      }
      >.ivu-tabs-content {
          height: calc(100% - 36px);
          padding: 0px !important;
          .ivu-tabs-tabpane {
              height: 100%;
              .main-data {
                  width: 100%;
                  height: 100%;
              }
          }
      }
  }
}

// this is less
