Examine source code of Phoca.cz

{
  "theme": {
    "images": {
      "theme_frame": "phoca-header3.png"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Phoca.cz",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/a8b80a7b63b52eea5138dc486e980df23946ed722e88acda379074842a15a936/http%3A//Phoca.Cz\" rel=\"nofollow\">Phoca.Cz</a>"
}