<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>
</div>
<div class="collapse navbar-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>
</ul>
</div>
and for the css
@media ( min-width: 768px ) {
.navbar > .container {
text-align: center;
}
.navbar-header,.navbar-brand,.navbar .navbar-nav,.navbar .navbar-nav > li {
float: none;
display: inline-block;
}
.collapse.navbar-collapse {
width: auto;
clear: none;
}
}
see it live http://www.bootply.com/103172