#datatable table {
    border: none;
    border-radius: 8px;
  }
  
  #datatable thead th:first-child {
    border-top-left-radius: 8px;
  }
  
  #datatable thead th:last-child {
    border-top-right-radius: 8px;
  }
  
  #datatable tbody tr:last-child td:first-child {
    border-bottom-left-radius: 8px;
  }
  
  #datatable tbody tr:last-child td:last-child {
    border-bottom-right-radius: 8px;
  }
  
  #datatable thead th.select-column {
    width: 3rem;
    min-width: 3rem;
    max-width: 3rem;
  }