Responsive Viewer

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Responsive Viewer",
    "author": "Solaiman Kmail",
    "version": "1.1.21",
    "description": "Show multiple screens once, Responsive design tester",
    "icons": {
        "128": "logo.png"
    },
    "action": {
        "default_icon": "logo.png"
    },
    "background": {
        "service_worker": "\/background.js"
    },
    "sandbox": {
        "pages": [
            "sandbox.html"
        ]
    },
    "permissions": [
        "storage",
        "activeTab",
        "webNavigation",
        "webRequest",
        "declarativeNetRequest",
        "scripting"
    ],
    "web_accessible_resources": [
        {
            "resources": [
                "device-list\/*",
                "*.css",
                "sandbox.html"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ]
}