{% for message in messages %}
  <div class="card">
    <div class="bs-callout bs-callout-{{ message.tags }}">
      {{ message }}
    </div>
  </div>
{% endfor %}
{% if form.non_field_errors %}
  <p>
    <span class="fa fa-warning"></span>
    {% trans 'Problems processing the form' %}
  </p>
  <ul>
    {{ form.non_field_errors }}
  </ul>
{% endif %}