Examine source code of Froggy Firefox

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#eda463",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Froggy Firefox",
  "manifest_version": 2,
  "description": "frog, Mozilla, world, bright, whimsical, technology, orange, fox, froggy, cute, Firefox, browser\t\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/a386dd411a3f5c7048d115f7b3fe5981c02861888f1b4843b95522305ded7499/http%3A//technology.desktopnexus.com/wallpaper/1473099/\">http://technology.desktopnexus.com/wallpaper/1473099/</a>"
}