Amazon wishlist subtotal

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Amazon wishlist subtotal",
    "version": "1.2",
    "description": "Creates subtotal for wishlist on Amazon",
    "icons": {
        "128": "icon_dark.png"
    },
    "browser_action": {
        "name": "Dollar sign",
        "default_popup": "popup.html",
        "icons": [
            "icon_dark.png"
        ],
        "default_icon": "icon_dark.png"
    },
    "content_scripts": [
        {
            "css": [
                "styles.css"
            ],
            "js": [
                "js\/jquery-3.2.1.min.js",
                "js\/content.js",
                "js\/color_fade.js"
            ],
            "matches": [
                "https:\/\/www.amazon.com\/*"
            ]
        }
    ]
}