: Solving complex alignment issues like vertical centering.

: Custom checkboxes, toggles, and expanding hit areas.

: Creating parallelograms, diamond images, and cutout corners without extra markup.

: Advanced gradients, glassmorphism-style effects, and unique shadows.

The book is structured into digestible chapters, each presenting a specific design "problem" followed by one or more clever CSS solutions. Key areas covered include:

CSS Secrets: Better Solutions to Everyday Web Design Problems

: Flexible background positioning and multiple borders.

: Frame-by-frame animations and smooth state changes. Why It is Considered "Useful"