Lightsoff

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Lightsoff",
    "description": "Turn all youtube into the dark but leaving the video you are watching, visible.",
    "version": "1.0.2",
    "permissions": [
        "activeTab",
        "tabs"
    ],
    "background": {
        "scripts": [
            "lightsoff.js"
        ],
        "persistent": false
    },
    "content_scripts": [
        {
            "css": [
                "lightsoff.css"
            ],
            "matches": [
                "http:\/\/*.youtube.com\/watch*",
                "https:\/\/*.youtube.com\/watch*"
            ]
        }
    ],
    "browser_action": {
        "default_title": "Toggle Lightsoff",
        "default_icon": "icon128.png"
    },
    "manifest_version": 2,
    "icons": {
        "16": "icon16.png",
        "48": "icon48.png",
        "128": "icon128.png"
    }
}