Examine source code of Rollercoaster

{
  "theme": {
    "images": {
      "theme_frame": "Rollercoaster.jpg"
    },
    "colors": {
      "frame": "#008f18",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Rollercoaster",
  "manifest_version": 2,
  "description": "Persona of my \"Rollercoaster\" fractal flower artwork. You can view the full art here: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/0f6b070e76600737c9893151c2a5122bd6615300107501b844a5f381175ebf17/http%3A//twenty4e.com/2007/09/11/rollercoaster/\">http://twenty4e.com/2007/09/11/rollercoaster/</a>"
}