Examine source code of Etched Moon

{
  "theme": {
    "images": {
      "theme_frame": "14859-etchedmoon-header.jpg"
    },
    "colors": {
      "frame": "#adadad",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Etched Moon",
  "manifest_version": 2,
  "description": "Full moon during eclipse over Ireland. Please visit <a href=\"https://outgoing.prod.mozaws.net/v1/1bf53c5e543f1b7a5894d1dd390215a47bbfa3c6a2d4939acb4d0237f7a370a0/http%3A//robinparmar.com\" rel=\"nofollow\">robinparmar.com</a> to see my photos."
}