Examine source code of IPPC Improver

{
  "name": "IPPC Improver",
  "description": "Visual improvements to IPPC.no, for reading METAR and TAF.",
  "version": "0.0.2",
  "manifest_version": 2,
  "icons": {
    "16": "static/icon16.png",
    "32": "static/icon32.png",
    "48": "static/icon48.png",
    "64": "static/icon64.png",
    "128": "static/icon128.png"
  },
  "content_scripts": [
    {
      "css": [
        "styles.css"
      ],
      "js": [
        "script.js"
      ],
      "matches": [
        "https://www.ippc.no/ippc/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8b803022-4756-40e0-9b0e-e2e4d5da8a3f}"
    }
  }
}