Examine source code of Hide YouTube Dopamine

{
  "manifest_version": 2,
  "name": "Hide YouTube Dopamine",
  "version": "1.0",
  "description": "Hides like and dislike buttons and view count on YouTube and blurs video suggestions on search.",
  "permissions": [
    "activeTab",
    "https://www.youtube.com/*"
  ],
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "css": [
        "styles.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d45c043f-8506-4b20-9cac-1ee8debb8b82}"
    }
  }
}