Examine source code of BreakIt

{
  "manifest_version": 2,
  "name": "BreakIt",
  "version": "1.0.0",
  "description": "Displays current Tailwind breakpoint when resizing the window.",
  "icons": {
    "16": "assets/16.png",
    "48": "assets/48.png",
    "128": "assets/128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "assets/style.css"
      ]
    }
  ],
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "breakit@nastasa.gr",
      "strict_min_version": "91.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "user_data": [],
        "analytics": []
      }
    }
  }
}