Examine source code of Dark Stones

{
  "theme": {
    "images": {
      "theme_frame": "1.jpg"
    },
    "colors": {
      "frame": "#bababa",
      "tab_background_text": "#ff9900"
    }
  },
  "version": "2.0",
  "name": "Dark Stones",
  "manifest_version": 2,
  "description": "Testing Personas. The original image (as a wallpaper) can be found on <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/4ef9dd5d919d489a80d1ceb895f742e271541a83b35bad5a20d7b67d7cd7b615/http%3A//noirchile.deviantart.com/art/Stones-109097712\">this</a> link."
}