code: def get(self, q=None, page=None):
          
          # Check cache to exit early if needed
          etag = generate_etag(current_ext.content_version.encode('utf8'))
          self.check_etag(etag, weak=True)
  
          # Build response
          res = jsonify(current_ext.styles)
          res.set_etag(etag)
  
          return res
docs: Get styles.