 class="list-group-item list-group-item-action" href="#item-3">Item 3</a>
                            <ul class="nav nav-underline flex-column border-start ms-2 my-2" style="gap: .25rem;">
                              <li class="nav-item">
                                <a class="nav-link fw-normal" href="#item-3-1">Item 3-1</a>
                              </li>
                              <li class="nav-item">
                                <a class="nav-link fw-normal" href="#item-3-2">Item 3-2</a>