<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="navbar navbar-default navbar-fixed-top" role="navigation"> <div class="container"> <div class="navbar-header"> <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse"> <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="#">Project name</a> </div> <div class="navbar-collapse collapse"> <ul class="nav navbar-nav"> <li><a href="#">Home</a></li> <li><a href="#about">About</a></li> <li><a href="#contact">Contact</a></li> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <span class="caret"></span></a> <ul class="dropdown-menu" role="menu"> <li><a href="#">Action</a></li> <li><a href="#">Another action</a></li> <li><a href="#">Something else here</a></li> <li><a href="#">Link</a></li> </ul> </li> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown 2 <span class="caret"></span></a> <ul class="dropdown-menu" role="menu"> <li><a href="#">Dropdown 2 Child 1</a></li> <li><a href="#">Dropdown 2 Child 2</a></li> <li><a href="#">Dropdown 2 Child 3</a></li> <li><a href="#">Dropdown 2 Child 4</a></li> </ul> </li> </ul> <form class="navbar-form" role="search"> <div class="input-group"> <input type="text" class="form-control pull-right" style="width: 300px; margin-right: 35px, border: 1px solid black; background-color: #e5e5e5;" placeholder="Search"> <span class="input-group-btn"> <button type="reset" class="btn btn-default"> <span class="glyphicon glyphicon-remove"> <span class="sr-only">Close</span> </span> </button> <button type="submit" class="btn btn-default"> <span class="glyphicon glyphicon-search"> <span class="sr-only">Search</span> </span> </button> </span> </div> </form> </div><!--/.nav-collapse --> </div> </div> <div class="container" id="page"> Me finks this is a page. </div>

@media (min-width:768px) { body { padding-top: 60px } /* height of the menu collapsed */ .nav-bg { height: 0px; width: 100%; position: absolute; top: 50px; background: #e7e7e7; transition: all .5s ease-in-out; } .menu-open .nav-bg { height: 50px } /* change to your height of the child menu */ .menu-open #page { padding-top:60px; transition: all .2s ease-in-out; } #page { height:1000px;/* demo only */ } .navbar-nav.nav > li { position: static } .navbar-nav.nav .dropdown-menu { left: 0 !important; right: 0 !important; box-shadow: none; border: none; margin: 0 auto; max-width: 1170px; background: transparent; padding: 0; } .navbar-nav.nav .dropdown-menu > li { float: left } .navbar-nav.nav .dropdown-menu > li > a { width: auto !important; background: transparent; line-height: 49px; padding-top: 0; padding-bottom: 0; margin: 0; } }

$(function() { $( '.navbar' ).append( '<span class="nav-bg"></span>' ); $('.dropdown-toggle').click(function () { if (!$(this).parent().hasClass('open')) { $('html').addClass('menu-open'); } else { $('html').removeClass('menu-open'); } }); $(document).on('click touchstart', function (a) { if ($(a.target).parents().index($('.navbar-nav')) == -1) { $('html').removeClass('menu-open'); } }); });