bootstrap dropdown
<!-- Bootstrap 5 Dropdown --> <div class="dropdown"> <button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenuButton1" data-bs-toggle="dropdown" aria-expanded="false" > Dropdown button </button> <ul class="dropdown-menu" aria-labelledby="dropdownMenuButton1"> <li><a class="dropdown-item" href="#">Action</a></li> <li><a class="dropdown-item" href="#">Another action</a></li> <li><a class="dropdown-item" href="#">Something else here</a></li> </ul> </div>