docs: public static boolean hasBackground(Element element) {
  
          String backgroundColor = CmsDomUtil.getCurrentStyle(element, Style.backgroundColor);
          String backgroundImage = CmsDomUtil.getCurrentStyle(element, Style.backgroundImage);
          if ((isTransparent(backgroundColor))
              && ((backgroundImage == null)
                  || (backgroundImage.trim().length() == 0)
                  || backgroundImage.equals(StyleValue.none.toString()))) {
              return false;
          }
          return true;
      }