Examine source code of Coalescence

{
  "theme": {
    "images": {
      "theme_frame": "hdCoalescence.jpg"
    },
    "colors": {
      "frame": "#637cfd",
      "tab_background_text": "#b8b8b8"
    }
  },
  "version": "2.0",
  "name": "Coalescence",
  "manifest_version": 2,
  "description": "Firefox Persona version of my “Coalescence” wallpaper. 3D artwork by Ryan Bliss. Persona Designed by Mark Hamilton for Digital Blasphemy. Wallpaper available at <a href=\"https://outgoing.prod.mozaws.net/v1/8620efd7c17b208b154ca69c7e9e1cd558f91b6eb998599ee3b3a78a77c5b067/http%3A//digitalblasphemy.com/preview.shtml%3Fi=coalescence\" rel=\"nofollow\">http://digitalblasphemy.com/preview.shtml?i=coalescence</a>"
}