ko-starter/src/components/nav-bar/nav-bar.html

<div class="navbar navbar-default">
    <a href="#" class="navbar-brand">Accounting</a>
    <ul class="nav navbar-nav">
        <li>
            <a href="#">Home</a>
        </li>

        <li>
            <a href="#about">About</a>
        </li>
    </ul>
</div>