Initial Black

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Initial Black",
    "version": "1.0",
    "description": "This extension makes the initial background of a webpage black.",
    "icons": {
        "128": "icon128.png"
    },
    "author": "S.P. Hoang",
    "permissions": [
        "activeTab",
        "storage"
    ],
    "content_scripts": [
        {
            "matches": [
                ""
            ],
            "js": [
                "script.js"
            ],
            "all_frames": false,
            "run_at": "document_start"
        }
    ]
}