Examine source code of MLG Gamebattles.com

{
  "theme": {
    "images": {
      "theme_frame": "GBFirefoxpersona.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "MLG Gamebattles.com",
  "manifest_version": 2,
  "description": "MLG <a href=\"https://outgoing.prod.mozaws.net/v1/2ca59332b565ed31ba35ddf2d07d3db085e64abcf558040ab01091dbe2f52fa8/http%3A//Gamebattles.com\" rel=\"nofollow\">Gamebattles.com</a> persona."
}