Examine source code of Sad Kitty Cat

{
  "theme": {
    "images": {
      "theme_frame": "SadKittyHCustom.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Sad Kitty Cat",
  "manifest_version": 2,
  "description": "cat, feline, flowers, grass, kitten, kitty, sad eyes, spring, summer, country, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/fe7360e996a16a5cafd6941563b237f5a43278ce9a6f41b51c0c4a48eb5f488f/http%3A//animals.desktopnexus.com/wallpaper/997515/\" rel=\"nofollow\">http://animals.desktopnexus.com/wallpaper/997515/</a>"
}