HTML

<div class="navbar-header">
<a class="logo navbar-btn pull-left" href="/en" title="Home">
<img src="http://ie.obenef.com/sites/default/files/logo_0.jpg" alt="Home">
</a>

<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>