Examine source code of Hackaday mobile fix

{
  "manifest_version": 2,
  "name": "Hackaday mobile fix",
  "version": "1.2resigned1",
  "description": "Removes the right sidebar on the hackaday blog.",
  "icons": {},
  "content_scripts": [
    {
      "matches": [
        "*://*.hackaday.com/blog*"
      ],
      "js": [
        "hdmobilefix.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ec1a70d8-e713-4256-9ee4-ffbc0bd3a1d0}"
    }
  }
}