Examine source code of Calendrie Karone

{
  "browser_action": {
    "default_icon": {
      "32": "img/logo2.png"
    },
    "default_title": "Calendrie Karone",
    "default_popup": "popup.html"
  },
  "description": "Retrouvez votre calendrier 2023, Vacances scolaires, jours fériés, fêtes chrétiennes, musulmanes et juives. Agenda avec rappel des Saints",
  "icons": {
    "16": "img/logo3.png",
    "32": "img/logo2.png",
    "48": "img/logo1.png",
    "128": "img/logo4.png"
  },
  "manifest_version": 2,
  "name": "Calendrie Karone",
  "version": "1.0.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "{1c973141-47b6-4d16-bdf8-690046838c74}"
    }
  }
}