Examine source code of Shorts+

{
  "manifest_version": 2,
  "name": "Shorts+",
  "version": "1.0",
  "description": "An extension to enhance youtube shorts by adding a custom youtube-style video player ",
  "author": "IcarusCoding",
  "content_scripts": [
    {
      "matches": [
        "https://*.youtube.com/*"
      ],
      "js": [
        "js/content.js"
      ],
      "css": [
        "css/styles.css"
      ]
    }
  ],
  "icons": {
    "16": "icon/icon16x16.png",
    "32": "icon/icon32x32.png",
    "48": "icon/icon48x48.png",
    "128": "icon/icon128x128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0348b055-1532-4687-8da9-8c36fd50084e}"
    }
  }
}