Examine source code of Warring Factions

{
  "theme": {
    "images": {
      "theme_frame": "header.JPG"
    },
    "colors": {
      "frame": "#f7f7f7",
      "tab_background_text": "#d4d0d0"
    }
  },
  "version": "2.0",
  "name": "Warring Factions",
  "manifest_version": 2,
  "description": "For the kickass wf game.\n<a href=\"https://outgoing.prod.mozaws.net/v1/db7ebb84984d64925475d561cea6216ea504571602b2a1617c21626933a31b01/http%3A//www.war-facts.com\" rel=\"nofollow\">www.war-facts.com</a>"
}