notifications-admin/app/templates/components/banner.html

{% macro banner(body, type=None, with_tick=False, delete_button=None, subhead=None) %}
  <div class='banner{% if type %}-{{ type }}{% endif %}{% if with_tick %}-with-tick{% endif %}'>
    {% if subhead -%}
        {{ subhead }}&ensp;
    {%- endif -%}
    {{ body }}
    {% if delete_button %}
      <form method='post'>
        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}" />
        <input type="submit" class="button" name="delete" value="{{ delete_button }}" />
      </form>
    {% endif %}
  </div>
{% endmacro %}

{% macro banner_wrapper(type=None, with_tick=False, delete_button=None, subhead=None) %}
  {{ banner(caller()|safe, type=type, with_tick=with_tick, delete_button=delete_button, subhead=subhead) }}
{% endmacro %}