Examine source code of Winter Moonlight

{
  "theme": {
    "images": {
      "theme_frame": "MoonlightOIfftheDeckH.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Winter Moonlight",
  "manifest_version": 2,
  "description": "night, evening, moon, sky, trees, sky, snow. The desktop wallpaper is available at: <a href=\"https://outgoing.prod.mozaws.net/v1/f18f8206a0565c90f705cf7242c25f35acf079204a18dc6337496b1466bc854b/http%3A//nature.desktopnexus.com/wallpaper/570091/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/570091/</a>\nPhoto by Kris, my daughter."
}