Examine source code of Jerry k

{
  "theme": {
    "images": {
      "theme_frame": "sopra.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Jerry k",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/377ce0802d674846d79426d4dc368bd430ad8d77181c9b31b87cfbd18ab01803/http%3A//www.jerrykdj.com\" rel=\"nofollow\">http://www.jerrykdj.com</a>"
}