Examine source code of Fbpage-Without-Login

{
  "version": "1.1.1resigned1",
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "applications": {
    "gecko": {
      "id": "@page_no_login",
      "strict_min_version": "48.0"
    }
  },
  "icons": {
    "48": "icon 48x48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://www.facebook.com/*",
        "https://www.facebook.com/*"
      ],
      "css": [
        "hide-fb.css"
      ]
    }
  ],
  "permissions": [
    "https://www.facebook.com/*",
    "http://www.facebook.com/*"
  ],
  "default_locale": "en",
  "manifest_version": 2
}