Better FastMail

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Better FastMail",
    "description": "UX & UI improvements to the FastMail web client",
    "version": "1.2",
    "manifest_version": 3,
    "icons": {
        "16": "assets\/icon-16.png",
        "32": "assets\/icon-32.png",
        "48": "assets\/icon-48.png",
        "128": "assets\/icon-128.png"
    },
    "permissions": [
        "scripting"
    ],
    "host_permissions": [
        "*:\/\/*.fastmail.com\/*"
    ],
    "background": {
        "service_worker": "scripts\/background.js"
    },
    "action": [],
    "content_scripts": [
        {
            "matches": [
                "*:\/\/*.fastmail.com\/*"
            ],
            "js": [
                "scripts\/content.js"
            ]
        }
    ]
}