Examine source code of Quiet Line Mosaic

{
  "manifest_version": 3,
  "name": "Quiet Line Mosaic",
  "version": "1.0.0",
  "description": "A minimalist decorative popup featuring layered lines and a calm geometric composition.",
  "action": {
    "default_popup": "popup.html",
    "default_title": "Quiet Line Mosaic"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "quietlinemosaic@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}