Examine source code of mediaskate

{
  "theme": {
    "images": {
      "theme_frame": "pers_header.png"
    },
    "colors": {
      "frame": "#545454",
      "tab_background_text": "#a7ce44"
    }
  },
  "version": "2.0",
  "name": "mediaskate",
  "manifest_version": 2,
  "description": "a style from <a href=\"https://outgoing.prod.mozaws.net/v1/a73398568aa2211b742135bbffefac64955fd3f8ba02ab713bd0ab75984c82e2/http%3A//mediaskate.com\" rel=\"nofollow\">mediaskate.com</a>"
}