It adds a CSS class to the body depending on the parameters included in the URL
Alternatives to OS Adder
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Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Easily insert custom HTML, CSS, and JavaScript into your WordPress site's header, body, and footer without modifying theme files.
Easily add custom ID, Class, and Data attributes to WordPress menu items directly from the admin panel — no coding required.
Allows you to Replace any HTML Tag and Class of your WordPress WebSite.
Simple plugin to add custom CSS class to Elementor image.
CSS classes depending on the cart to customize the checkout.
When an element of the page enters the viewport, it adds a CSS class to that element.
This will add CSS classes in default WordPress body class. You can get browser version, OS and name.
atec System Infov1.2.35
atec System Info (Operating system, server, memory, PHP and database details)
Add custom LESS, CSS, and JavaScript—plus external stylesheets and scripts—via the WP Customizer. No child theme required.