Sound booster by AudioMax

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "background": {
        "service_worker": "js\/background.js"
    },
    "action": {
        "default_icon": {
            "19": "icon\/icon-19.png",
            "38": "icon\/icon-38.png"
        },
        "default_popup": "html\/popup.html",
        "default_title": "Volume Booster"
    },
    "commands": {
        "decrease_volume": {
            "description": "Decrease volume",
            "suggested_key": {
                "default": "Alt+Down",
                "mac": "Command+Down"
            }
        },
        "increase_volume": {
            "description": "Increase volume",
            "suggested_key": {
                "default": "Alt+Up",
                "mac": "Command+Up"
            }
        }
    },
    "content_scripts": [
        {
            "css": [
                "css\/content.css"
            ],
            "js": [
                "\/js\/libs\/jquery.min.js",
                "\/js\/content.js"
            ],
            "matches": [
                "<all_urls>"
            ],
            "run_at": "document_start",
            "all_frames": true
        }
    ],
    "host_permissions": [
        "<all_urls>"
    ],
    "default_locale": "en",
    "description": "__MSG_description__",
    "icons": {
        "16": "icon\/icon-16.png",
        "32": "icon\/icon-32.png",
        "48": "icon\/icon-48.png",
        "128": "icon\/icon-128.png"
    },
    "manifest_version": 3,
    "name": "__MSG_name__",
    "permissions": [
        "tabCapture",
        "tabs",
        "storage",
        "offscreen"
    ],
    "version": "2.5",
    "web_accessible_resources": [
        {
            "resources": [
                "css\/content.css"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ]
}