code: def markdown_media_css():
      
      return dict(
          CSS_SET=posixpath.join(
              settings.MARKDOWN_SET_PATH, settings.MARKDOWN_SET_NAME, 'style.css'
          ),
          CSS_SKIN=posixpath.join(
              'django_markdown', 'skins', settings.MARKDOWN_EDITOR_SKIN,
              'style.css'
          )
      )
docs: Add css requirements to HTML.
  
      :returns: Editor template context.