Examine source code of Hide Hrib’s Subscriptio

{
  "name": "Hide Hrib’s Subscription Prompt",
  "version": "0.9",
  "description": "Automatically hides the subscription prompt on tyzden.sk for a cleaner reading experience",
  "content_scripts": [
    {
      "js": [
        "jquery.min.js",
        "hide.js"
      ],
      "matches": [
        "*://www.tyzden.sk/*"
      ]
    }
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{8fa272f0-7e66-410b-a4e9-6e499da58c70}"
    }
  }
}