Examine source code of Bioshock Rapture

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#366973",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Bioshock Rapture",
  "manifest_version": 2,
  "description": "Would you kindly?\n\nBioshock theme of RockLou's wallpaper (<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/fbc35de7ac85d8aabed9821071701d1d06a8e9dd2f761a4c07ce9861bd20b800/http%3A//rocklou.deviantart.com/art/Bioshock-Wallpaper-No-text-582615475\">http://rocklou.deviantart.com/art/Bioshock-Wallpaper-No-text-582615475</a>) used with permission."
}