Examine source code of Mallards Pond

{
  "theme": {
    "images": {
      "theme_frame": "MallardPond2Custom.jpg"
    },
    "colors": {
      "frame": "#313d27",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Mallards Pond",
  "manifest_version": 2,
  "description": "wetland, ecology, lake, pond, marsh, ducks, mallard, grass, preservation, eco, trees, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/90df37c41decb98c18e134761863efbb83bf360890367bde268c631969a86191/http%3A//nature.desktopnexus.com/wallpaper/692596/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/692596/</a>"
}