Examine source code of Rich Lookup Blocker

{
  "manifest_version": 2,
  "name": "Rich Lookup Blocker",
  "version": "1.0",
  "description": "Warns you when you search something with 'rich'.",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "inline.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{32532ed1-a593-4c35-bc3f-42623e5f2bec}"
    }
  }
}