Examine source code of Graveyard Zombie

{
  "theme": {
    "images": {
      "theme_frame": "gravezombie.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#9c9797"
    }
  },
  "version": "2.0",
  "name": "Graveyard Zombie",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/3d47c359466368c2545be39f2207aa2db5af603cde7b7c643552096d83497a20/http%3A//TheZombified.com\" rel=\"nofollow\">TheZombified.com</a> - Original Halloween and horror inspired artwork for the darkly inclined"
}