: none;
  }

  .table-scroll thead th {
    background: #333;
    color: #fff;
    position: sticky;
    top: 0;
  }

  th:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
    background: #ccc;
  }

  thead th:first-child {
    z-index: 5;
  }

  .selected {
    background-color: #03C0C1;
  }
</style>
<script src="../../dist/selecto.js"></script>

<script>
  const theadElement = document.querySelector("thead");
  const tbodyElement = document.querySelector("tbody");
  const head = [];
  cons