Examine source code of Cannibal Midgets

{
  "theme": {
    "images": {
      "theme_frame": "firefox-header.jpg"
    },
    "colors": {
      "frame": "#4f0000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Cannibal Midgets",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/557a94b32d60257d203b4b0858158c0e043be1643749195d6c3b8a88fe7476ed/http%3A//www.cannibalmidgets.com\" rel=\"nofollow\">www.cannibalmidgets.com</a>"
}