Examine source code of PStaffie

{
  "theme": {
    "images": {
      "theme_frame": "pstaffie.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#403b3b"
    }
  },
  "version": "2.0",
  "name": "PStaffie",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/02337d599942e4f2e62b104f7b79234a1ea5dfddb80497703b2fdcb873ab7afa/http%3A//www.planete-staffie.com/\">http://www.planete-staffie.com/</a>"
}