Examine source code of Cloud Canyon

{
  "theme": {
    "images": {
      "theme_frame": "cchd2.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Cloud Canyon",
  "manifest_version": 2,
  "description": "Firefox Persona version of my “Cloud Canyon” wallpaper. 3D artwork by Ryan Bliss. Persona Designed by Mark Hamilton for Digital Blasphemy. Wallpaper available at <a href=\"https://outgoing.prod.mozaws.net/v1/2f86e65cd51738b7527408d0f26edb2275de8cb86f77da224023cc4f854e4068/http%3A//digitalblasphemy.com/preview.shtml%3Fi=cloudcanyon\" rel=\"nofollow\">http://digitalblasphemy.com/preview.shtml?i=cloudcanyon</a>"
}