Examine source code of Bold Paragraphs

{
  "manifest_version": 2,
  "name": "Bold Paragraphs",
  "version": "1.0",
  "description": "Automatically bold all <p> tags on the page",
  "icons": {
    "48": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3d5d55db-af56-47c6-ae81-da1527c91067}"
    }
  }
}