Examine source code of StupidFox as FireFox

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ffaf03",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "StupidFox as FireFox",
  "manifest_version": 2,
  "description": "StupidFox by SilentReaper\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/b9f34ab918efd0ea16439a5d57316fd6df8f73ea4e912197c5669805341de0b1/http%3A//silentreaper.deviantart.com/\">http://silentreaper.deviantart.com/</a>\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/7f00c53b57c9f1caf9907dd803a83bc488fb699b178d5bf804dee033e618a13c/http%3A//stupidfox.net/\">http://stupidfox.net/</a>\n\nTHIS IS A FAN WORK. Enjoy!"
}