&lt;/li>
        &lt;li class="nav-item">&lt;a class="nav-link" href="bootstrap-4-navbar-fixed-top.html">Fixed top&lt;/a>&lt;/li>
        &lt;li class="nav-item">&lt;a class="nav-link" href="bootstrap-4-navbar-fixed-bottom.html">Fixed bottom&lt;/a>&lt;/li>
        &lt;li class="nav-item dropdown">&lt;a class="nav-link dropdown-toggle" href="#">Dropdown&lt;/a>
          &lt;ul class="dropdown-menu">
            &lt;li>&lt;a class="dropdown-item" href="#">Action&lt;/a>&lt;/li>
            &lt;li>&lt;a class="