myapp-full/myapp/templates/navbar.html

<div class="row">
<div class="col py-2">

{% if session.logged_in %}
<div class="btn-group float-right">
    <a class="btn btn-outline-secondary border-0" href="/profile"><i class="fa fa-user"></i></a>
    <a class="btn btn-outline-danger border-0" href="/logout"><i class="fa fa-sign-out"></i></a>
</div>
{% else %}
<a class="btn btn-outline-success border-0 float-right" href="/login"><i class="fa fa-sign-in"></i></a>
{% endif %}

<a class="btn btn-outline-secondary border-0" href="/"><i class="fa fa-home"></i></a>
<a class="btn btn-outline-secondary border-0" href="/page">Статья</a>
<a class="btn btn-outline-secondary border-0" href="/tags">Метки</a>
<a class="btn btn-outline-secondary border-0" href="/users">Пользователи</a>
<a class="btn btn-outline-secondary border-0" href="/api/browse">API JSON-RPC</a>
</div>
</div>