  table.dataTable tr.selected td.select-checkbox:after,
    table.dataTable tr.selected th.select-checkbox:after {
      content: '';
      -webkit-transform: rotate(45deg) scale(1);
      -ms-transform: rotate(45deg) scale(1);
      transform: rotate(45deg) scale(1);
      opacity: 1;
      top: 29px;
      left: 50%;
      width: 6px;
      height: 12px;
      border: solid #fff;
      border-width: 0 2px 2px 0;
      background-color: transparent;
      border-radius: 0;
    }

    body.dark table.dataTa