Examine source code of Zorin Os

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#00121C",
      "tab_background_text": "#8DC8FB"
    }
  },
  "version": "2.0",
  "name": "Zorin Os",
  "manifest_version": 2,
  "description": "as a homepage, you can choose the <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/d346689b032a6bff1e874f882813d467293e7b0406fa4ee2abb983afc9371994/http%3A//zorin-os.com/start/\">http://zorin-os.com/start/</a>\nit is beautiful"
}