Examine source code of fullsoftgamer.org

{
  "theme": {
    "images": {
      "theme_frame": "cons.png"
    },
    "colors": {
      "frame": "#050404",
      "tab_background_text": "#050505"
    }
  },
  "version": "2.0",
  "name": "fullsoftgamer.org",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/3655499494b2e14897e65c2bfb14608f0d4f72526feec87812443bbec2dcca37/http%3A//www.fullsoftgamer.org\" rel=\"nofollow\">www.fullsoftgamer.org</a> firefox teme"
}