dd class <code>.dropup</code>
                    </p>
                    <div class="template-demo">
                      <div class="btn-group dropup">
                        <button type="button" class="btn btn-primary"> Dropdown </button>
                        <button type="button" class="btn btn-primary dropdown-toggle dropdown-toggle-split" id="dropupMenuSplitButton1" data-bs-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                        </button>
                        <d