Examine source code of Bird in Tree

{
  "theme": {
    "images": {
      "theme_frame": "BirdinTreeHcopy.jpg"
    },
    "colors": {
      "frame": "#7ba7e1",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Bird in Tree",
  "manifest_version": 2,
  "description": "bird, cold, snow, snowing, trees, winter, cute, whimsical, My wallpaper to match  is at: <a href=\"https://outgoing.prod.mozaws.net/v1/723c881fd3fcb2562edc1474fc5a7e2c0c4198a78b45b009046e2f5cfe2a131c/http%3A//nature.desktopnexus.com/wallpaper/934935/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/934935/</a>"
}