Examine source code of Nokia Gate

{
  "theme": {
    "images": {
      "theme_frame": "NokiaGate-Persona-header.jpg"
    },
    "colors": {
      "frame": "#066dc7",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Nokia Gate",
  "manifest_version": 2,
  "description": "A Persona for <a href=\"https://outgoing.prod.mozaws.net/v1/7770b2e67ce1dacad1ed3d0eb12fd2663a90242e4db0531dca1d1400e19ed20f/http%3A//NokiaGate.com\" rel=\"nofollow\">NokiaGate.com</a>! xD"
}