1<li class="nav-item dropdown" ngbDropdown>
2            <a class="nav-link dropdown-toggle" id="navbarScrollingDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false" ngbDropdownToggle>
3              Link
4            </a>
5            <ul class="dropdown-menu"  ngbDropdownMenu aria-labelledby="navbarScrollingDropdown">
6              <li ngbDropdownItem><a class="dropdown-item" href="#">Action</a></li>
7              <li ngbDropdownItem><a class="dropdown-item" href="#">Another action</a></li>
8              <li ngbDropdownItem><hr class="dropdown-divider"></li>
9              <li ngbDropdownItem><a class="dropdown-item" href="#">Something else here</a></li>
10            </ul>
11          </li>
12