Examine source code of Madness Biking

{
  "theme": {
    "images": {
      "theme_frame": "madnessfirefoxlast.jpg"
    },
    "colors": {
      "frame": "#ff0000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Madness Biking",
  "manifest_version": 2,
  "description": "Madness Adventures\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/84df9f416bb1f4d63e2a8fd799486f554e4862e536f49b96734e9f18f0ff9fc7/http%3A//www.madness-bolivia.com\" rel=\"nofollow\">www.madness-bolivia.com</a>"
}