CSS Grid Overlay

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "CSS Grid Overlay",
    "version": "10",
    "description": "Easily check the grid alignment of your page across breakpoints.",
    "icons": {
        "16": "16.png",
        "48": "48.png",
        "128": "128.png"
    },
    "background": {
        "service_worker": "background.js"
    },
    "action": {
        "default_icon": {
            "16": "off-16.png",
            "24": "off-24.png",
            "32": "off-32.png"
        }
    },
    "permissions": [
        "scripting",
        "activeTab",
        "storage"
    ],
    "minimum_chrome_version": "88",
    "options_page": "options.html"
}