Misago/misago/templates/_misago/privatethreads/start_btn.html

{% load i18n %}
{% if user.acl.can_start_private_threads %}
<button class="btn btn-reply btn-success pull-right" type="button">
  <span class="fa fa-plus-circle"></span>
  {% trans "Start thread" %}
</button>
{% else %}
<span class="btn btn-default btn-closed pull-right">
  <span class="fa fa-ban"></span>
  {% trans "Can't start threads" %}
</span>
{% endif %}