Examine source code of Forests Moonlight

{
  "theme": {
    "images": {
      "theme_frame": "MoonShiningThroughForestH1.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Forests Moonlight",
  "manifest_version": 2,
  "description": "trees, night, moon, beams, dragonflies,dragonfly, evening, mystical, twilight, moon light,\n\nDesigned by MaDonna\n\nMy desktop wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/2d50c441d1456033d885ea12674a6dc90a1f04da53bf0e1176873dc73e0032d0/http%3A//nature.desktopnexus.com/wallpaper/600764/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/600764/</a>"
}