Examine source code of Phishing EZ

{
  "manifest_version": 3,
  "name": "Phishing EZ",
  "version": "1.1",
  "description": "Easily protect yourself against phishing attempts with warnings for unknown websites with password fields",
  "browser_specific_settings": {
    "gecko": {
      "id": "{a1132759-4ff4-47e5-b3a0-5d81941c3d6c}"
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "alarms"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon.png"
    }
  },
  "icons": {
    "48": "icon.png"
  }
}