Examine source code of Celestrom

{
  "theme": {
    "images": {
      "theme_frame": "hdCelestrom2.jpg"
    },
    "colors": {
      "frame": "#6382ff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Celestrom",
  "manifest_version": 2,
  "description": "Firefox Persona version of my “Celestrom” 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/ba942cb429bb4a90d07b7fe85cd4a10896c028c3ba7a73e56083b00617d8d680/http%3A//digitalblasphemy.com/preview.shtml%3Fi=celestrom\" rel=\"nofollow\">http://digitalblasphemy.com/preview.shtml?i=celestrom</a>"
}