Examine source code of RUMBLE BEE

{
  "theme": {
    "images": {
      "theme_frame": "PERSONARUMBLEBEE02.jpg"
    },
    "colors": {
      "frame": "#4f4d4d",
      "tab_background_text": "#0e3354"
    }
  },
  "version": "2.0",
  "name": "RUMBLE BEE",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/1a762b07da525b0e101d80a5941085d91c4ce07034680258443e1c7f8c5aaf03/http%3A//www.WorldLeagueRacing.com\" rel=\"nofollow\">www.WorldLeagueRacing.com</a>"
}