Examine source code of Chory System

{
  "theme": {
    "images": {
      "theme_frame": "Chorsysmegakopia.jpg"
    },
    "colors": {
      "frame": "#6e6e6e",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Chory System",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/9660750cb3e308c01c7800272d838cdaa750d053c6b23a68a332ea8f0353efa5/http%3A//www.chorysystem.boo.pl\" rel=\"nofollow\">www.chorysystem.boo.pl</a>"
}