<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>
<nav class="navbar navbar-inverse">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed left" data-toggle="collapse" data-target="#menu">
<span class="sr-only">Trình đơn</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">Trang chủ</a>
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#search">
<span class="glyphicon glyphicon-search" aria-hidden="true"></span>
</button>
</div>
<div class="collapse navbar-collapse" id="menu">
<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-expanded="false">Menu <span class="caret"></span></a>
<ul class="dropdown-menu" role="menu">
<li><a href="#">Link</a></li>
<li><a href="#">Link khác</a></li>
<li><a href="#">Cái gì đó</a></li>
<li class="divider"></li>
<li><a href="#">khác</a></li>
<li class="divider"></li>
<li><a href="#">Chắc một cái gì đó sẽ nằm ở đây thôi :))</a></li>
</ul>
</li>
<form class="navbar-form navbar-right hidden-sm hidden-md hidden-xs" role="search" action="/" method="GET">
<div class="input-group">
