Bootstrap 3.0 - Navbar
HTML
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.min.css">
<div class="navbar navbar-default navbar-fixed-top navbar-inverse">
<div class="container">
<div class="navbar-header pull-left">
<a class="navbar-brand" href="index.php">Meu site</a>
</div>
<div class="navbar-header pull-right">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<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="index.php">Home</a></li>
<li><a href="about.php">About</a></li>
<li><a href="contact.php">Contact</a></li>
</ul>
</div>
</div>
</div>
CSS
.navbar-collapse.in,
.navbar-collapse.collapsing {
clear: left;
}
JavaScript
$('.navbar-inverse').on('click', function() {
$(this).removeClass('navbar-inverse');
});