Sheep it

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "content_scripts": [
        {
            "js": [
                "jquery-1.11.1.min.js",
                "sheep.js"
            ],
            "matches": [
                "http:\/\/*\/*",
                "https:\/\/*\/*"
            ]
        }
    ],
    "description": "Have fun with your friends & colleagues with this extension. It will show dancing sheep when loading any webpage.",
    "manifest_version": 3,
    "name": "Sheep it",
    "permissions": [],
    "version": "1.1.0",
    "web_accessible_resources": [
        {
            "resources": [
                "sheep*.gif"
            ],
            "matches": [
                "http:\/\/*\/*",
                "https:\/\/*\/*"
            ]
        }
    ]
}