Examine source code of Yellowspot

{
  "theme": {
    "images": {
      "theme_frame": "Yellowspot.png"
    },
    "colors": {
      "frame": "#d46e00",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Yellowspot",
  "manifest_version": 2,
  "description": "Persona of my \"Yellowspot\" fractal abstract artwork. You can view the full art here: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/d1126cb14be8fff13928576c1bd4c94d035969e7a17cc00d2bd500093be7191e/http%3A//twenty4e.com/2005/04/24/yellowspot/\">http://twenty4e.com/2005/04/24/yellowspot/</a>"
}