Examine source code of XITS Math Font Package

{
  "manifest_version": 2,
  "name": "XITS Math Font Package",
  "version": "1.302",
  "description": "Bring XITS Math font for Mozilla's MathML engine.",
  "author": "Krasnaya Ploshchad",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "css": [
        "fonts.css"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "fonts/XITSMath-Regular.woff2",
    "fonts/XITSMath-Bold.woff2"
  ]
}