RickBlock

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "RickBlock",
    "version": "1.0",
    "description": "RickBlock identifies and warns you about any RickRoll links that you may come across. Don't get yourself RickRoll'd again!",
    "permissions": [
        "tabs"
    ],
    "icons": {
        "16": "images\/icon16.png",
        "48": "images\/icon48.png",
        "128": "images\/icon128.png"
    },
    "content_scripts": [
        {
            "matches": [
                ""
            ],
            "css": [
                "links.css"
            ],
            "js": [
                "links.js"
            ],
            "run_at": "document_end"
        }
    ],
    "browser_action": {
        "default_icon": "images\/icon48.png"
    },
    "web_accessible_resources": [
        "images\/*.png"
    ]
}