<nav class="navbar navbar-default">

    <div class="container-fluid">

        <!-- Brand and toggle get grouped for better mobile display -->

        <div class="navbar-header">

            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">

                <span class="sr-only">Toggle navigation</span>

                <span class="icon-bar"></span>

                <span class="icon-bar"></span>

                <span class="icon-bar"></span>

            </button>

            <a class="navbar-brand" href="#">Brand</a>

        </div>



        <!-- Collect the nav links, forms, and other content for toggling -->

        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">

            <ul class="nav navbar-nav">

                <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>

                <li><a href="#">Link</a></li>

                <li class="dropdown">

                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>

                    <ul class="dropdown-menu">

                        <li><a href="#">Action</a></li>

                        <li><a href="#">Another action</a></li>

                        <li><a href="#">Something else here</a></li>

                        <li role="separator" class="divider"></li>

                        <li><a href="#">Separated link</a></li>

                        <li role="separator" class="divider"></li>

                        <li><a href="#">One more separated link</a></li>

                    </ul>

                </li>

            </ul>

            <form class="navbar-form navbar-left" role="search">

                <div class="form-group">

                    <input type="text" class="form-control" placeholder="Search">

                </div>

                <button type="submit" class="btn btn-default">Submit</button>

            </form>

            <ul class="nav navbar-nav navbar-right">

                <li><a href="#">Link</a></li>

                <li class="dropdown">

                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>

                    <ul class="dropdown-menu">

                        <li><a href="#">Action</a></li>

                        <li><a href="#">Another action</a></li>

                        <li><a href="#">Something else here</a></li>

                        <li role="separator" class="divider"></li>

                        <li><a href="#">Separated link</a></li>

                    </ul>

                </li>

            </ul>

        </div><!-- /.navbar-collapse -->

    </div><!-- /.container-fluid -->

</nav>