Examine source code of Hide Website Elements

{
  "manifest_version": 3,
  "name": "Hide Website Elements",
  "version": "0.2",
  "description": "Removes user-configured CSS classes and IDs on selected sites.",
  "permissions": [
    "storage",
    "scripting"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "hide-elements@floras-fauna.info",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}