Grayscale the Web - Save Sites

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Grayscale the Web - Save Sites",
    "short_name": "Gray the Web",
    "description": "Removes all color from websites, turning them gray. Can be set for specific sites and tabs, or for all sites.",
    "version": "1.0.6",
    "author": "Dev Astora",
    "background": {
        "scripts": [
            "js\/manageSites.js",
            "js\/background.js"
        ]
    },
    "content_scripts": [
        {
            "matches": [
                "*:\/\/*\/*"
            ],
            "js": [
                "js\/tinycolor-min.js",
                "js\/manageSites.js",
                "js\/content.js"
            ],
            "run_at": "document_start"
        }
    ],
    "options_page": "options.html",
    "icons": {
        "16": "img\/16-gs-icon-on.png",
        "32": "img\/32-gs-icon-on.png",
        "48": "img\/48-gs-icon-on.png",
        "128": "img\/128-gs-icon-on.png"
    },
    "browser_action": {
        "default_icon": {
            "16": "img\/16-gs-icon-off.png",
            "32": "img\/32-gs-icon-off.png",
            "48": "img\/48-gs-icon-off.png",
            "128": "img\/128-gs-icon-off.png"
        },
        "default_title": "GrayScale the Web",
        "default_popup": "popup.html"
    },
    "permissions": [
        "storage",
        "tabs",
        "webNavigation"
    ]
}