read-ti-later/templates/fragments/navbar.j2

<div id="navbar" class="navbar navbar-expand-lg sticky-top navbar-dark bg-dark">
    <div class="navbar-brand">Read TI Later</div>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown"
                aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
    <div class="collapse navbar-collapse" id="navbarNavDropdown">
        <ul class="navbar-nav">
            {% if request.path == url_for('index') %}
            <li class="nav-item active">
            {% else %}
            <li class="nav-item">
            {% endif %}
                <a class="nav-link" href="{{ url_for('index') }}">My List</a>
            </li>
            {% if request.path == url_for('archived') %}
            <li class="nav-item active">
            {% else %}
            <li class="nav-item">
            {% endif %}
                <a class="nav-link" href="{{ url_for('archived') }}">Archived</a>
            </li>
            {% if request.path == url_for('bookmarklet') %}
            <li class="nav-item active">
            {% else %}
            <li class="nav-item">
            {% endif %}
                <a class="nav-link" href="{{ url_for('archived') }}">Bookmarklet</a>
            </li>
        </ul>
        <form class="form-inline ml-auto">
            <a class="btn btn-info" href="#addLink" onclick="openLinkModal();" role="button" style="margin-right: 20px;">Add Link</a>
            <a class="btn btn-primary" href="/logout" role="button">Logout</a>
        </form>
    </div>        
</div>