text: {% extends 'emails/base.txt' %}
  
  {% block subject -%}
      {{ subject }}
  {%- endblock %}
  
  {% block header -%}{%- endblock %}
  
  {% block body -%}
      {{ body }}
  {%- endblock %}
  
  {% block footer_title -%}
      Call for Abstracts
  {%- endblock %}
  
  {% block footer_url -%}
      {{ event.external_url }}
  {%- endblock %}
  
  