Examine source code of Mobile Enhance

{
  "manifest_version": 2,
  "name": "Mobile Enhancer",
  "version": "1.0",
  "description": "Enhance mobile usability of websites by applying responsive styles and improving navigation.",
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b50262fd-3809-4f88-8509-77f0273298f2}"
    }
  }
}