Examine source code of Herakles the Game

{
  "theme": {
    "images": {
      "theme_frame": "herkheader5.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Herakles the Game",
  "manifest_version": 2,
  "description": "This persona is from a game, made by me and my friend Kayleigh.\n\nVisit our site at <a href=\"https://outgoing.prod.mozaws.net/v1/31c843fc51e167b7625957d801068e7b8bb7ed3fd2f4ec26cdfd9da3132c8015/http%3A//herk.webs.com\" rel=\"nofollow\">herk.webs.com</a>"
}