Examine source code of Dagger

{
  "theme": {
    "images": {
      "theme_frame": "DaggerH.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Dagger",
  "manifest_version": 2,
  "description": "dagger, blade, sharp, knife, double edged, stab, kill, defense, combat, Ninja, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/8aa8738ab31f538fd7d763546939ffe76d0a2c8777914bf0a109da0595bbbbb4/http%3A//abstract.desktopnexus.com/wallpaper/662350/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/662350/</a>"
}