{% if theme_opencollective %}
<p>
<a class="badge" href="https://opencollective.com/{{ theme_opencollective }}" target="_blank">
  <img src="https://opencollective.com/{{ theme_opencollective }}/donate/button.png?color={{ theme_opencollective_button_color }}" width=300 />
</a>
</p>
{% endif %}