Examine source code of thelocal.de Free

{
  "manifest_version": 2,
  "name": "the_local_de_free",
  "version": "1.5.0",
  "description": "Removes the modal window in thelocal.[com|at|dk|fr|de|it|no|es|se|ch]",
  "icons": {
    "48": "icons/the_local-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.thelocal.com/*",
        "*://*.thelocal.at/*",
        "*://*.thelocal.dk/*",
        "*://*.thelocal.fr/*",
        "*://*.thelocal.de/*",
        "*://*.thelocal.it/*",
        "*://*.thelocal.no/*",
        "*://*.thelocal.es/*",
        "*://*.thelocal.se/*",
        "*://*.thelocal.ch/*"
      ],
      "js": [
        "remove_subscribe.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@the_local_de_free.com"
    }
  }
}