Examine source code of Motorcycle Grunge

{
  "theme": {
    "images": {
      "theme_frame": "MotorcycleMadnessH.jpg"
    },
    "colors": {
      "frame": "#7e9ff2",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Motorcycle Grunge",
  "manifest_version": 2,
  "description": "abstract, bike, blue, collage, fun, grunge, half tones, motorcycle, signs, summer, vector\t\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/8a0a151bb8c06cae0e80e281b3ff25f9e27936d01da51ea53e676f1cc1c7a2ea/http%3A//motorcycles.desktopnexus.com/wallpaper/1197613/\" rel=\"nofollow\">http://motorcycles.desktopnexus.com/wallpaper/1197613/</a>"
}