Dark Mode

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Dark Mode",
  "description": "Dark Mode Extension",
  "version": "1.2.3",
  "permissions": [
    "webNavigation",
    "storage"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": "images/icon128.png"
  },
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "content_scripts": [
    {
      "js": [
        "scripts/content.js"
      ],
      "css": [
        "styles/content.css"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "service_worker": "scripts/background.js"
  }
}