takahe/templates/emails/_footer.html

{% autoescape off %}
    <tr>
        <td class="content-block" style="font-family: sans-serif; vertical-align: top; padding-bottom: 10px; padding-top: 10px; color: #999999; font-size: 12px; text-align: center;" valign="top" align="center">
            {{ content }}
        </td>
    </tr>
{% endautoescape %}