Examine source code of Fall Blues

{
  "theme": {
    "images": {
      "theme_frame": "FallBluesH.jpg"
    },
    "colors": {
      "frame": "#6094db",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Fall  Blues",
  "manifest_version": 2,
  "description": "fall, autumn, blue, leaves, butterfly, stars, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/8e8fe351d52d37a47713917e9b54f61029117afc15547efe098cc454b2380e05/http%3A//nature.desktopnexus.com/wallpaper/827158/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/827158/</a>"
}