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manifest.json

{
  "description": "Extension removing scrolling functionality on YouTube while playing fullscreen video",
  "manifest_version": 2,
  "name": "YT don't scroll on fullscreen",
  "version": "1.0",
  "homepage_url": "https://github.com/macciek-k/YT-dont-scroll-on-fullscreen",
  "icons": {
    "48": "icons/YTdSF-48.png",
    "96": "icons/YTdSF-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{bec0b058-d485-4d8b-9968-34e723631492}"
    }
  }
}