Examine source code of Xabarin.org

{
  "theme": {
    "images": {
      "theme_frame": "Xabarin_Header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Xabarin.org",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/e702bd57d177e8ee473f0a99efc3371925c78ba8d4072ca7d66ecf5449447903/http%3A//xabarin.org\" rel=\"nofollow\">http://xabarin.org</a>"
}