Examine source code of Firefind

{
  "manifest_version": 3,
  "name": "Firefind",
  "version": "0.2.0",
  "description": "Shows the tag name of the element under your cursor in a dark floating box.",
  "icons": {
    "32": "icons/firefind-flame-32.png",
    "48": "icons/firefind-flame-48.png",
    "64": "icons/firefind-flame-64.png",
    "128": "icons/firefind-flame-128.png",
    "256": "icons/firefind-flame-256.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/hover-label.js"
      ],
      "css": [
        "src/hover-label.css"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "firefind@fe.com",
      "strict_min_version": "109.0"
    }
  }
}