Font Size Decrease for Google Chrome

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "short_name": "__MSG_name__",
    "homepage_url": "https:\/\/www.stefanvd.net\/support\/",
    "description": "__MSG_description__",
    "author": "Stefan vd",
    "icons": {
        "16": "images\/icon16.png",
        "24": "images\/icon24.png",
        "32": "images\/icon32.png",
        "48": "images\/icon48.png",
        "96": "images\/icon96.png",
        "128": "images\/icon128.png"
    },
    "default_locale": "en",
    "content_security_policy": {
        "extension_pages": "default-src 'none'; style-src 'self'; media-src https:\/\/www.stefanvd.net; frame-src https:\/\/www.youtube.com https:\/\/www.stefanvd.net; connect-src https:\/\/www.stefanvd.net; script-src 'self'; img-src 'self' https:\/\/www.stefanvd.net * data:; object-src 'none'"
    },
    "options_ui": {
        "page": "options.html",
        "open_in_tab": true
    },
    "version": "1.1.2",
    "name": "__MSG_namechrome__",
    "action": {
        "default_icon": {
            "19": "images\/icon19.png",
            "38": "images\/icon38.png"
        },
        "default_title": "__MSG_name__"
    },
    "background": {
        "service_worker": "scripts\/background.js"
    },
    "commands": {
        "_execute_action": {
            "suggested_key": {
                "default": "Ctrl+Shift+M",
                "mac": "MacCtrl+Shift+M"
            }
        },
        "toggle-feature-font": {
            "suggested_key": {
                "default": "Ctrl+Shift+W",
                "mac": "MacCtrl+Shift+W"
            },
            "description": "__MSG_pagetitle__"
        }
    },
    "content_scripts": [
        {
            "matches": [
                "*:\/\/*.stefanvd.net\/*"
            ],
            "js": [
                "scripts\/constants.js",
                "scripts\/content.js"
            ]
        }
    ],
    "offline_enabled": true,
    "minimum_chrome_version": "116",
    "permissions": [
        "activeTab",
        "scripting",
        "storage",
        "contextMenus"
    ]
}