Examine source code of MindSparks

{
  "manifest_version": 2,
  "name": "MindSparks",
  "version": "1.0",
  "description": "Boost your brainpower with quick mental math challenges. Solve random arithmetic puzzles directly from your browser extension.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "MindSparks"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4a22ab0e-a1f0-43db-86c4-d02806c10dcd}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}