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)

def highlight(self, selector, by=By.CSS_SELECTOR,
                  loops=settings.HIGHLIGHTS, scroll=True):
        """ 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)
        """
        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)