Examine source code of Lilac Lilac

{
  "theme": {
    "images": {
      "theme_frame": "lilaclilacsHCustom.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Lilac Lilac",
  "manifest_version": 2,
  "description": "purple lilacs, lily of the valley, blue ribbon, butterfly, lilac, lavender, flower, spring, summer. My wallpaper to match can be found at:"
}