Examine source code of Borealis DB

{
  "theme": {
    "images": {
      "theme_frame": "hdborealis2.jpg"
    },
    "colors": {
      "frame": "#d2d5e4",
      "tab_background_text": "#212121"
    }
  },
  "version": "2.0",
  "name": "Borealis DB",
  "manifest_version": 2,
  "description": "Firefox Persona version of my “Borealis” wallpaper. 3D artwork by Ryan Bliss. Persona Designed by Mark Hamilton for Digital Blasphemy. Wallpaper available at <a href=\"https://outgoing.prod.mozaws.net/v1/231571905cbd81733c37f0cf867e7ff7dfbb4edbead03b49c8cfba0bdaa8b53d/http%3A//digitalblasphemy.com/preview.shtml%3Fi=borealis2k6\" rel=\"nofollow\">http://digitalblasphemy.com/preview.shtml?i=borealis2k6</a>"
}