Examine source code of African Grey Sky

{
  "theme": {
    "images": {
      "theme_frame": "carly_header.jpg"
    },
    "colors": {
      "frame": "#dedada",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "African Grey Sky",
  "manifest_version": 2,
  "description": "Carly Lu, an African Grey freeflying parrot.  For information about parrot behavior, enrichment, and training, please see <a href=\"https://outgoing.prod.mozaws.net/v1/5c001b78c9ac08f45f79660564df3e2bb9cc03209aff29ddb9c072259be81aa5/http%3A//CarlyLusFlightBlog.com\" rel=\"nofollow\">http://CarlyLusFlightBlog.com</a>"
}