Let's get color blind

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Let's get color blind",
    "short_name": "Let's get color blind",
    "version": "1.0.2",
    "author": "Hilbert Eikelboom",
    "manifest_version": 3,
    "description": "Simulates information a color blind person receives and\/or adds a daltonization filter",
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "LetsGetColorBlindContent.js"
            ],
            "run_at": "document_start",
            "all_frames": false
        }
    ],
    "options_ui": {
        "page": "options.html"
    },
    "action": {
        "default_title": "Add\/remove color blind filter",
        "default_icon": {
            "19": "icon-19.png",
            "38": "icon-38.png"
        },
        "default_popup": "LetsGetColorBlindPopup.html"
    },
    "icons": {
        "16": "icon-16.png",
        "48": "icon-48.png",
        "128": "icon-128.png"
    },
    "host_permissions": [
        "*:\/\/*\/*"
    ],
    "permissions": [
        "storage"
    ]
}