navigation</span>! <span class="icon-bar"></span>! <span class="icon-bar"></span>! <span class="icon-bar"></span>! </button>! </div>! <div class="navbar-collapse collapse">! <ul class="nav navbar-nav">! <li class="active"><a href="#">Link</a></li>! <li><a href="#">Link</a></li>! <li><a href="#">Link</a></li>! </ul>! </div><!--/.nav-collapse --> different NAVS in one we use display:none a lot