Examine source code of Hidden Forces DB

{
  "theme": {
    "images": {
      "theme_frame": "hdhiddenforces.jpg"
    },
    "colors": {
      "frame": "#5077c6",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Hidden Forces DB",
  "manifest_version": 2,
  "description": "Firefox Persona version of my “Hidden Forces” wallpaper. \n\n3D artwork by Ryan Bliss. Persona Designed by Mark Hamilton for Digital Blasphemy. \n\nWallpaper available at <a href=\"https://outgoing.prod.mozaws.net/v1/21620d3c4ba4e4c3c06d635b5591064d83b240844e00abd4cff0c71d61276601/http%3A//digitalblasphemy.com/preview.shtml%3Fi=hiddenforces1\" rel=\"nofollow\">http://digitalblasphemy.com/preview.shtml?i=hiddenforces1</a>"
}