Examine source code of FreeGaza

{
  "theme": {
    "images": {
      "theme_frame": "FreeGaza-H2.png"
    },
    "colors": {
      "frame": "#ffcc00",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "FreeGaza",
  "manifest_version": 2,
  "description": "FREE GAZA !!!\n<a href=\"https://outgoing.prod.mozaws.net/v1/dfecece46e2fcc89a2b585a11098134f93912e87a6505c715767652c5e22d23e/http%3A//www.freegaza.org/\" rel=\"nofollow\">http://www.freegaza.org/</a>"
}