Examine source code of rolling doz

{
  "theme": {
    "images": {
      "theme_frame": "doz2.jpg"
    },
    "colors": {
      "frame": "#b0b0b0",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "rolling doz",
  "manifest_version": 2,
  "description": "silver rolling\n<a href=\"https://outgoing.prod.mozaws.net/v1/dfd2760984238e90296eeee73cac95391e2ddc58d1560d25f82f660a2422da4f/http%3A//www.ekosystem.org\" rel=\"nofollow\">http://www.ekosystem.org</a>"
}