Max & YoutTube Brightness and PiP

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Max & YoutTube Brightness and PiP",
    "version": "4.0.0",
    "description": "Enables Picture-in-Picture and brightness control on pages max & youtube.",
    "permissions": [
        "activeTab",
        "scripting"
    ],
    "action": {
        "default_popup": "popup.html",
        "default_icon": {
            "16": "icon16.png",
            "48": "icon48.png",
            "128": "icon128.png"
        }
    },
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "content.js"
            ]
        }
    ]
}