Examine source code of Rubber Suite

{
  "theme": {
    "images": {
      "theme_frame": "encsuite.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Rubber Suite",
  "manifest_version": 2,
  "description": "A persona inspired in a wallpaper from <a href=\"https://outgoing.prod.mozaws.net/v1/07396a86b87f62c4f0c410995b475043612f48bb2fc10aa0e32adafddebf5e12/http%3A//pervertsberlin.com\" rel=\"nofollow\">pervertsberlin.com</a>"
}