code: def highlight(self, selector, by=By.CSS_SELECTOR,
                    loops=settings.HIGHLIGHTS, scroll=True):
          
          selector, by = self.__recalculate_selector(selector, by)
          element = self.find_element(
              selector, by=by, timeout=settings.SMALL_TIMEOUT)
          if scroll:
              self.__slow_scroll_to_element(element)
          try:
              selector = self.convert_to_css_selector(selector, by=by)
          except Exception:
              # Don't highlight if can't convert to CSS_SELECTOR
              return
  
          if self.highlights:
              loops = self.highlights
          if self.browser == 'ie':
              loops = 1  # Override previous setting because IE is slow
          loops = int(loops)
  
          o_bs = ''  # original_box_shadow
          style = element.get_attribute('style')
          if style:
              if 'box-shadow: ' in style:
                  box_start = style.find('box-shadow: ')
                  box_end = style.find(';', box_start) + 1
                  original_box_shadow = style[box_start:box_end]
                  o_bs = original_box_shadow
  
          if ":contains" not in selector and ":first" not in selector:
              selector = re.escape(selector)
              selector = self.__escape_quotes_if_needed(selector)
              self.__highlight_with_js(selector, loops, o_bs)
          else:
              selector = self.__make_css_match_first_element_only(selector)
              selector = re.escape(selector)
              selector = self.__escape_quotes_if_needed(selector)
              try:
                  self.__highlight_with_jquery(selector, loops, o_bs)
              except Exception:
                  pass  # JQuery probably couldn't load. Skip highlighting.
          time.sleep(0.065)
docs: This method uses fancy JavaScript to highlight an element.
              Used during demo_mode.
              @Params
              selector - the selector of the element to find
              by - the type of selector to search by (Default: CSS)
              loops - # of times to repeat the highlight animation
                      (Default: 4. Each loop lasts for about 0.18s)
              scroll - the option to scroll to the element first (Default: True)