Examine source code of Very Ken

{
  "theme": {
    "images": {
      "theme_frame": "firefox.png"
    },
    "colors": {
      "frame": "#424242",
      "tab_background_text": "#424242"
    }
  },
  "version": "2.0",
  "name": "Very Ken",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/0a149c449c637d5113fe8eb83910652e86e232c338c81e4ffb6c040bbb8bf300/http%3A//www.kenwebdesigner.com\" rel=\"nofollow\">www.kenwebdesigner.com</a>"
}