Examine source code of Exberliner Modal Blocker

{
  "manifest_version": 2,
  "name": "Exberliner Modal Blocker",
  "version": "1.0",
  "description": "Improves the browsing experience of exberliner.com by blocking the regular modals",
  "content_scripts": [
    {
      "matches": [
        "*://*.exberliner.com/*"
      ],
      "js": [
        "modal-blocker.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f54ca43d-395e-4855-a6dc-97343d099647}"
    }
  }
}