Examine source code of EZ Definitions

{
  "manifest_version": 2,
  "name": "ez define",
  "version": "1.0",
  "description": "Double-click any word to see its definition in a pop-up bubble.",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "activeTab",
    "https://api.dictionaryapi.dev/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "define.js"
      ],
      "css": [
        "popup.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{07dbcade-71c1-462d-aa64-add65113a154}"
    }
  }
}