Examine source code of Water Tiger

{
  "theme": {
    "images": {
      "theme_frame": "tiger.jpg"
    },
    "colors": {
      "frame": "#030000",
      "tab_background_text": "#f7a708"
    }
  },
  "version": "2.0",
  "name": "Water Tiger",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/679daaa18acfd532fd19fa560d978f59840b70055b66816c70789d9861676100/http%3A//www.devonshy.blogspot.com\" rel=\"nofollow\">http://www.devonshy.blogspot.com</a>"
}