content/theme/templates/menu.html

<!-- nav bar -->
<nav class="navbar navbar-expand-lg navbar-dark bg-dark" aria-label="Fifth navbar example">
    <div class="container-fluid">
        <a class="navbar-brand" href="/blog"><img src="/blog/images/logo_original4x.png" style="height: 32px;"/> Apache DataFusion Blog</a>
        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarADP" aria-controls="navbarADP" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>

        <div class="collapse navbar-collapse" id="navbarADP">
            <ul class="navbar-nav me-auto mb-2 mb-lg-0">
                <li class="nav-item">
                    <a class="nav-link" href="/blog/about.html">About</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="/blog/feed.xml">RSS</a>
                </li>
            </ul>
        </div>
    </div>
</nav>