code: def codemirror_field_css_assets(*args):
      
      manifesto = CodemirrorAssetTagRender()
      manifesto.register_from_fields(*args)
  
      return mark_safe(manifesto.css_html())
docs: Tag to render CodeMirror CSS assets needed for all given fields.
  
      Example:
          ::
  
          {% load djangocodemirror_tags %}
          {% codemirror_field_css_assets form.myfield1 form.myfield2 %}