code: private URL buildStyleSheetUrl(final StyleSheet ss) {
  
          final StringBuilder sb = new StringBuilder();
  
          if (!ss.path().isEmpty()) {
              sb.append(ss.path()).append(Resources.PATH_SEP);
          }
  
          sb.append(ss.name());
  
          if (!ss.name().endsWith(CSS_EXT)) {
              sb.append(CSS_EXT);
          }
  
          return buildUrl(sb.toString(), ss.skipStylesFolder());
      }
docs: Build a local image with its local path.
  
  @param ss the local image params
  
  @return the JavaFX image object