.react-bootstrap-table .table-bordered {
    border-top: none;
  }
  
  .react-bootstrap-table  th {
    position: sticky;
    top: -1px;
    background-color: #fff;
    border-top: none;
  }
  
  .react-bootstrap-table  th::before {
    position: absolute;
    content: '';
    top: 0;
    left: -2px;
    width: calc( 100% + 2px);
    height: 1px;;
    background-color: #dee2e6;
  }
  
  .react-bootstrap-table  th::after {
    position: absolute;
    content: '';
    bottom: -2px;
    left: -2px;
    width: calc( 100% + 2px);
    height: 1px;;
    background-color: #dee2e6;
  }