code: private void defineDesktopPanes(UIDefaults d) {
          d.put("seaGlassDesktopPane", new ColorUIResource(0x556ba6));
          String c = PAINTER_PREFIX + "DesktopPanePainter";
  
          String p = "DesktopPane";
  
          d.put(p + "[Enabled].backgroundPainter", new LazyPainter(c, DesktopPanePainter.Which.BACKGROUND_ENABLED));
  
          // Initialize DesktopIcon
          p = "DesktopIcon";
          c = PAINTER_PREFIX + "DesktopIconPainter";
          d.put(p + ".contentMargins", new InsetsUIResource(0, 6, 5, 4));
          d.put(p + "[Enabled].backgroundPainter", new LazyPainter(c, DesktopIconPainter.Which.BACKGROUND_ENABLED));
      }
docs: Initialize the desktop pane UI settings.
  
  @param d the UI defaults map.