Examine source code of UnNamedGaming

{
  "theme": {
    "images": {
      "theme_frame": "UNGfirefox1.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "UnNamedGaming",
  "manifest_version": 2,
  "description": "Show your support for <a href=\"https://outgoing.prod.mozaws.net/v1/760bd7ef13d7079e18e3b3191115cdf581b2e17ed521cd306cdd70ff4b262082/http%3A//UnNamedGaming.com\" rel=\"nofollow\">UnNamedGaming.com</a> by dressing up your browser with our logo and colors!"
}