Examine source code of block it

{
  "manifest_version": 2,
  "name": "block it",
  "version": "1.1",
  "description": "blocks bad pages.... In my way",
  "content_scripts": [
    {
      "css": [
        "style.css"
      ],
      "js": [
        "content.js"
      ],
      "matches": [
        "*://*.pornhub.com/*",
        "*://*.xxxn.com/*",
        "*://*.xxxn.com/*",
        "*://*.xxxn.tv/*",
        "*://*.porn.com/*",
        "*://*.xvideos.com/*",
        "*://*.youporn.com/*",
        "*://*.fuq.com/*",
        "*://*.4porn.com/*",
        "*://*.xhamster.com/*",
        "*://*.happy-porn.com/*",
        "*://*.fansly.com/*",
        "*://*.onlyf**s.com/*",
        "*://*.hentai.com/*",
        "*://*.hanime.com/*",
        "*://*.hanime.tv/*",
        "*://*.porr.com/*"
      ]
    }
  ],
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2d8f2266-47af-4599-8650-dcf1011f1c62}"
    }
  }
}