Examine source code of Cloverscape

{
  "theme": {
    "images": {
      "theme_frame": "2hdclover.jpg"
    },
    "colors": {
      "frame": "#a9e470",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Cloverscape",
  "manifest_version": 2,
  "description": "Firefox Persona version of my “Cloverscape” wallpaper. 3D artwork by Ryan Bliss. Persona Designed by Mark Hamilton for Digital Blasphemy. Wallpaper available at <a href=\"https://outgoing.prod.mozaws.net/v1/8c12e32b10a50d62e22a8b180faa3bbdae91e5b0e4abca53fd7cbaac69217bbc/http%3A//digitalblasphemy.com/preview.shtml%3Fi=cloverscape1\" rel=\"nofollow\">http://digitalblasphemy.com/preview.shtml?i=cloverscape1</a>"
}