Amazon dark mode

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Amazon dark mode",
  "description": "A dark mode for amazon",
  "version": "2.2.0",
  "icons": {
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "index.html"
  },
  "permissions": [
    "storage",
    "scripting",
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.amazon.com/*",
        "https://www.amazon.com.au/*",
        "https://www.amazon.at/*",
        "https://www.amazon.com.br/*",
        "https://www.amazon.ca/*",
        "https://www.amazon.cn/*",
        "https://www.amazon.cz/*",
        "https://www.amazon.eg/*",
        "https://www.amazon.fr/*",
        "https://www.amazon.de/*",
        "https://www.amazon.in/*",
        "https://www.amazon.it/*",
        "https://www.amazon.co.jp/*",
        "https://www.amazon.com.mx/*",
        "https://www.amazon.nl/*",
        "https://www.amazon.pl/*",
        "https://www.amazon.com.sg/*",
        "https://www.amazon.es/*",
        "https://www.amazon.ae/*",
        "https://www.amazon.co.uk/*",
        "https://www.amazon.com.tr/*",
        "https://www.amazon.se/*",
        "https://www.amazon.sa/*"
      ],
      "css": [
        "styles/styles.css"
      ],
      "js": [
        "scripts/content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "[email protected]"
    }
  }
}