PassLok for Email

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "PassLok for Email",
    "short_name": "PassLok",
    "description": "High security encryption for email. PassLok is in no way associated with Gmail, Yahoo, or Outlook.",
    "version": "1.0",
    "manifest_version": 3,
    "icons": {
        "16": "img\/passlok-icon16inv.png",
        "48": "img\/passlok-icon48inv.png",
        "128": "img\/passlok-touch-icon128.png"
    },
    "content_security_policy": {
        "extension_pages": "default-src 'self'; img-src 'self' data:; connect-src 'self' data:; style-src 'self'"
    },
    "permissions": [
        "storage",
        "alarms"
    ],
    "host_permissions": [
        "https:\/\/mail.google.com\/*",
        "http:\/\/mail.google.com\/*",
        "https:\/\/google.com\/*",
        "http:\/\/google.com\/*",
        "http:\/\/*.mail.yahoo.com\/*",
        "https:\/\/*.mail.yahoo.com\/*",
        "http:\/\/*.live.com\/*",
        "https:\/\/*.live.com\/*"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches": [
                "https:\/\/mail.google.com\/*",
                "http:\/\/mail.google.com\/*",
                "http:\/\/*.mail.yahoo.com\/*",
                "https:\/\/*.mail.yahoo.com\/*",
                "http:\/\/*.live.com\/*",
                "https:\/\/*.live.com\/*"
            ],
            "css": [
                "css\/content.css"
            ],
            "js": [
                "js-src\/content.js"
            ],
            "run_at": "document_idle",
            "all_frames": true
        }
    ]
}