Examine source code of Personalized Predictions

{
  "manifest_version": 2,
  "name": "Personalized Predictions",
  "version": "1.0",
  "description": "Input your details to receive personalized predictions.",
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0e18976e-0a61-4f12-88a9-85e6a975eb95}"
    }
  }
}