Textbook in PDF format

A practical guide for building modern components with CSS. You Don’t Need JavaScript is a complete, 125-page book packed with modern CSS techniques, real-world examples, and step-by-step tutorials. Learn how to replace unnecessary JavaScript with lightweight CSS components that are faster, easier to maintain, and future-proof.
Create a popover menu with pure CSS
Thanks to the Popover API, you can build an accessible drawer menu that works seamlessly across almost all devices. This technique can be extended to create a variety of interactive components.
Create accessible accordions easily in CSS
Using semantic HTML and modern CSS, you can build accordions that are fully accessible and work seamlessly across devices. Perfect for FAQs, content toggles, and more.
Create stunning scroll-driven animations 100% CSS
Discover how to use CSS and a sprinkle of modern APIs to animate elements on scroll, adding interactivity and depth to your pages while keeping performance in mind.
And a lot more…
Explore advanced components you never thought possible with pure CSS. Like dark mode toggles, comparison sliders, anchor navigation, and powerful effects using :has…