Examine source code of Easter Message Bunny

{
  "theme": {
    "images": {
      "theme_frame": "EasterBunnyMessageHCustom.jpg"
    },
    "colors": {
      "frame": "#c0ff97",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Easter Message Bunny",
  "manifest_version": 2,
  "description": "bunny, chick, Easter, eggs, envelope, grass, message, rabbit, spring, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/8006289177be56e056bb5c1869625338b9b48008fa756d9bb8d706d37fc964ac/http%3A//abstract.desktopnexus.com/wallpaper/1019872/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/1019872/</a>\n\nDesigned by MaDonna"
}