Fit YT to Width

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Fit YT to Width",
    "version": "1.2",
    "description": "Fits a Youtube video to the width of its window when viewing in a narrow window, designed for using dual windows on a chromebook.",
    "background": {
        "scripts": [
            "background.js"
        ],
        "persistent": true
    },
    "page_action": {
        "default_icon": "icon.png",
        "default_title": "Fit YT to Witdh"
    },
    "content_scripts": [
        {
            "css": [
                "styles.css"
            ],
            "matches": [
                "https:\/\/www.youtube.com\/*"
            ]
        }
    ],
    "permissions": [
        "declarativeContent",
        "https:\/\/www.youtube.com\/*",
        "tabs"
    ],
    "manifest_version": 2
}