youtube-unhookedplusplus/manifest.json

{
  "name": "Youtube UnHooked",
  "version": "0.9",
  "description": "Hides parts of Youtube that are unneeded/addictive: recommendations, related videos, comments.",
   "content_scripts": [
    {
      "run_at": "document_start",
      "matches": ["https://www.youtube.com/*"],
      "css": ["styles.css"]
    }
  ],
  "manifest_version": 2
}