<nav class="navbar navbar-inverse ?blue" ?role="navigation">

? ? ?<div class="container-fluid">

? ? ? <div class="navbar-header">

? ? ? ?<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">

? ? ? ?</button>

? ? ? ?<span><a class="navbar-brand" href="#">

? ? ? ? <img alt="Brand" height="30px" src="images/bootstrap-logo.png">

? ? ? ?</a>

? ? ? ?Angulr</span>

? ? </div>

? </div>

</nav>