Examine source code of Foxkun core3

{
  "theme": {
    "images": {
      "theme_frame": "foxkun_bg.png"
    },
    "colors": {
      "frame": "#ebe9ed",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Foxkun core3",
  "manifest_version": 2,
  "description": "Artwork by Kyte. See <a href=\"https://outgoing.prod.mozaws.net/v1/673402d7a7cb6ca80febe5dc94add379ff9c514d208e258edba9a961fb72a827/http%3A//inxtyle.com/kakeru/gallery/ffox.htm\" rel=\"nofollow\">http://inxtyle.com/kakeru/gallery/ffox.htm</a>"
}