Classic Dark Theme for Web

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "__MSG_extName__",
    "version": "1.0.3",
    "description": "__MSG_extDescription__",
    "manifest_version": 3,
    "action": {
        "default_title": "__MSG_titleDefault__",
        "default_popup": "popup.html",
        "default_icon": {
            "16": "assets\/img\/16.png",
            "32": "assets\/img\/32.png",
            "64": "assets\/img\/64.png",
            "128": "assets\/img\/128.png",
            "512": "assets\/img\/512.png"
        }
    },
    "default_locale": "en",
    "icons": {
        "16": "assets\/img\/16.png",
        "32": "assets\/img\/32.png",
        "64": "assets\/img\/64.png",
        "128": "assets\/img\/128.png",
        "512": "assets\/img\/512.png"
    },
    "background": {
        "service_worker": "assets\/javaScripts\/worker.js"
    },
    "host_permissions": [
        "<all_urls>"
    ],
    "content_scripts": [
        {
            "all_frames": true,
            "matches": [
                "*:\/\/*\/*"
            ],
            "js": [
                "assets\/javaScripts\/content.js"
            ]
        }
    ],
    "permissions": [
        "activeTab",
        "storage",
        "unlimitedStorage",
        "scripting"
    ]
}