Examine source code of Element Quiz Challenge

{
  "manifest_version": 2,
  "name": "Element Quiz Challenge",
  "version": "1.0",
  "description": "Test and improve your knowledge of chemical elements with engaging Vietnamese clues and English element names. A fun and educational periodic table quiz for students and chemistry enthusiasts!",
  "icons": {
    "48": "periodic_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Element Quiz Challenge"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{254aa439-402e-48d1-ab15-b22f70abc53f}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}