<li class="nav-item dropdown">
                                <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown1" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown</a>
                                <div class="dropdown-menu" aria-labelledby="navbarDropdown1">
                                    <a class="dropdown-item" href="#">Action</a>
                                    <a class="dropdown-item" href="#">Another action</a>
                                    <div class="dropdown-divider"></div>
                                    <a class="dropdown-item" href="#">Something else here</a>
                                </div>
                            </li><li class="nav-item dropdown">
                                <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown1" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown</a>
                                <div class="dropdown-menu" aria-labelledby="navbarDropdown1">
                                    <a class="dropdown-item" href="#">Action</a>
                                    <a class="dropdown-item" href="#">Another action</a>
                                    <div class="dropdown-divider"></div>
                                    <a class="dropdown-item" href="#">Something else here</a>
                                </div>
                            </li>