{% macro make_header(session) %}
<nav id="header">
    <a class="header_element" href="/">Etiquette</a>
    <a class="header_element" href="/search">Search</a>
    <a class="header_element" href="/tags">Tags</a>
    {% if session.user %}
    <a class="header_element" href="/user/{{session.user.username}}">{{session.user.display_name}}</a>
    <button class="header_element" onclick="return api.users.logout(common.refresh);" style="flex:0">Logout</button>
    {% else %}
    <a class="header_element" href="/login">Log in</a>
    {% endif %}
</nav>
{% endmacro %}