Examine source code of Dispersion

{
  "theme": {
    "images": {
      "theme_frame": "hddispersion3.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Dispersion",
  "manifest_version": 2,
  "description": "Firefox Persona version of my “Dispersion” wallpaper.\n\n3D artwork by Ryan Bliss.\n\nPersona Designed by Mark Hamilton for Digital Blasphemy.\n\nWallpaper available at <a href=\"https://outgoing.prod.mozaws.net/v1/a200f87c40b856aed007b5d676fbcac0fa99c6df45a0120577b8db57816a4577/http%3A//digitalblasphemy.com/preview.shtml%3Fi=dispersion\" rel=\"nofollow\">http://digitalblasphemy.com/preview.shtml?i=dispersion</a>"
}