{% macro dropdown_button(label, items = []) %}
<div class="dropdown">
  <button class="btn btn-secondary dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
    {{ label }}
  </button>
  <ul class="dropdown-menu">
    {% for item in items %}
    <li><a class="dropdown-item" href="{{ item.1 }}">{{ item.0 }}</a></li>
    {% endfor %}
  </ul>
</div>
{% endmacro %}