Css Playground and Dom Tree

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Css Playground and Dom Tree",
    "version": "6.1.3",
    "description": "For Web designers, developers, web instructors. On live web pages, inspect, edit, and test hundreds of [new] CSS styles per second.",
    "background": {
        "scripts": [
            "background.js"
        ]
    },
    "permissions": [
        ""
    ],
    "browser_action": {
        "default_icon": "icons\/pine-tree-32.png",
        "default_title": "Css Playground",
        "default_popup": "popup.html"
    },
    "content_scripts": [
        {
            "matches": [
                ""
            ],
            "js": [
                "content-script.js"
            ],
            "run_at": "document_idle",
            "all_frames": true
        }
    ],
    "icons": {
        "48": "icons\/pine-tree-32.png"
    },
    "devtools_page": "devtools.html",
    "web_accessible_resources": [
        "icons\/*.png",
        "images\/*.gif",
        "images\/*.jpg",
        "images\/*.png"
    ]
}