Examine source code of LocalStrike

{
  "theme": {
    "images": {
      "theme_frame": "lstop1.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "LocalStrike",
  "manifest_version": 2,
  "description": "LocalStrike | Live your game! | \n<a href=\"https://outgoing.prod.mozaws.net/v1/111c1dbfafc6435eed17d2f635e5bc4ae340620bf2ee7c5e759c94a11dc3bfad/http%3A//www.localstrike.com.ar\" rel=\"nofollow\">http://www.localstrike.com.ar</a>"
}