Examine source code of Spring Arrivals

{
  "theme": {
    "images": {
      "theme_frame": "springarrivalsH2Custom.jpg"
    },
    "colors": {
      "frame": "#fff1e6",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Spring   Arrivals",
  "manifest_version": 2,
  "description": "abstract, apple blossoms, aspen, bark, birch, birds, cherry blossoms, flowers, Sakura, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/c6a2cff03aaa71559bd0b7f09513bd15a49bf5f5e08f47c74380097ba4111b8a/http%3A//animals.desktopnexus.com/wallpaper/943385/\" rel=\"nofollow\">http://animals.desktopnexus.com/wallpaper/943385/</a>"
}