CSS Tips by Theo Soti for Web and Frontend Developers

Master CSS Subgrid for perfect layout alignment!

With mask-image, you can create ink effects, smooth transitions, and elegant content reveals, without heavy graphics or extra elements.

CSS container queries let elements adapt to their container, not just the viewport.

Scroll-driven animations connect CSS animation progress to scroll position, a modern CSS pattern for reveals, timelines, and sticky effects.

Use :focus-visible for modern CSS focus states so keyboard users keep clear rings and mouse users avoid unwanted click outlines.

Animate dynamic height in modern CSS without max-height hacks, using patterns that fit accordions, drawers, and expanding content.

Build an accessible dark mode toggle with modern CSS, system preference support, and no JavaScript for the core theme switch.