Examine source code of Sawfer.com

{
  "theme": {
    "images": {
      "theme_frame": "sawfercom.jpg"
    },
    "colors": {
      "frame": "#2e7b92",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Sawfer.com",
  "manifest_version": 2,
  "description": "Persona for <a href=\"https://outgoing.prod.mozaws.net/v1/c9e3dd177c9db6576a68b2cff1455be28f7c2eec1fe7da61f765137b61b8e227/http%3A//www.sawfer.com\" rel=\"nofollow\">http://www.sawfer.com</a>"
}