Examine source code of United Space Force

{
  "theme": {
    "images": {
      "theme_frame": "USFFirefoxPersonaHeader.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "United Space Force",
  "manifest_version": 2,
  "description": "A Persona for the fans of our SecondLife Community United Space Force.\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/7a8019ee86c931b0265ffcbadf32f0d43e3d430e902744142f760397766d5fc0/http%3A//www.unitedspaceforce.com\" rel=\"nofollow\">http://www.unitedspaceforce.com</a>"
}