Gato en la Web

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Gato en la Web",
    "description": "Cada cierto tiempo, un adorable gatito aparecer\u00e1 en tu pantalla junto con un mensaje especial solo para ti. \ud83d\udcac\u2728",
    "version": "1.0.0",
    "icons": {
        "16": "images\/cat16.png",
        "32": "images\/cat32.png",
        "48": "images\/cat32.png",
        "128": "images\/cat128.png"
    },
    "action": {
        "default_popup": "popup\/popup.html",
        "default_icon": {
            "16": "images\/cat16.png",
            "32": "images\/cat32.png",
            "48": "images\/cat32.png",
            "128": "images\/cat128.png"
        }
    },
    "content_scripts": [
        {
            "js": [
                "scripts\/content.js"
            ],
            "css": [
                "content.css"
            ],
            "matches": [
                "https:\/\/*\/*",
                "http:\/\/*\/*"
            ]
        }
    ]
}