Examine source code of AWS Console Dark Mode

{
  "manifest_version": 3,
  "name": "AWS Console Dark Mode",
  "version": "1.0",
  "description": "Enable dark mode on AWS Console automatically",
  "browser_specific_settings": {
    "gecko": {
      "id": "@aws-console-dark-mode.antonbezr",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "host_permissions": [
    "https://console.aws.amazon.com/*",
    "https://*.console.aws.amazon.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://console.aws.amazon.com/*",
        "https://*.console.aws.amazon.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ]
}