Examine source code of Skull with Cig

{
  "theme": {
    "images": {
      "theme_frame": "FireFoxHeader.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Skull with Cig",
  "manifest_version": 2,
  "description": "Image does not belong to me.\nIt can be found here:\n<a href=\"https://outgoing.prod.mozaws.net/v1/c1838a8dc4b6927364f72de7f1fe3b792025a04c60a58cbf9be774aa3a0289c9/http%3A//www.newgrounds.com/art/view/rikimaru-azlar/skull-with-cig-interpretation\" rel=\"nofollow\">http://www.newgrounds.com/art/view/rikimaru-azlar/skull-with-cig-interpretation</a>"
}