Examine source code of Fire Sword

{
  "theme": {
    "images": {
      "theme_frame": "swordH2.jpg"
    },
    "colors": {
      "frame": "#590808",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Fire Sword",
  "manifest_version": 2,
  "description": "blade, burn, cutlass, fire, hot, knife, middle ages, saber, sword\n\nDesigned by MaDonna\n\n My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/0fb016a4736a7cb09efe746e06ab23017079bcc6603aed891bb565cd25e64fc6/http%3A//abstract.desktopnexus.com/wallpaper/932855/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/932855/</a>"
}