Safari 27.3 Adaptive Dark Mode: What Developers Must Do
Safari 27.3 beta forces dark mode on light-only sites. Learn how Adaptive Dark Mode works, why the opt-out is broken, and the two ...
Chrome DevTools November 2026: CSS Anchor Editor and Agent Style Tools
Chrome 155 and 156 ship a visual position-area editor for CSS anchor positioning and a ...
Firefox 155: CSS attr() Universal, Promise.allKeyed, 30 Fixes
Firefox 155 ships CSS attr() for any property (29-year limit removed), Promise.allKeyed for safer async ...
CSS sibling-index() and sibling-count(): Kill the JavaScript Stagger
CSS sibling-index() and sibling-count() give elements positional self-awareness. Replace JavaScript stagger hacks with pure CSS ...
CSS Anchor Positioning: Replace Floating UI With CSS
CSS Anchor Positioning hit Baseline 2026 with full support in Chrome, Firefox, and Safari. Here's ...
Tailwind CSS v4.3: Native Scrollbars, Webpack 2x Faster, New Palettes
Tailwind CSS v4.3 ships native scrollbar utilities that kill the plugin dependency, a webpack build path that runs 2x faster, and four new ...
CSS DOOM: Pure 3D Rendering Without Canvas or WebGL
DOOM is running in pure CSS. Not Canvas. Not WebGL. Just browser primitives most developers ...
CSS if() Function in Chrome 137: Progressive Enhancement Guide
CSS has finally gained native conditional logic through the if() function in Chrome 137, eliminating ...
Tailwind CSS is Inline Styles with Extra Steps
Tailwind CSS is massively popular, but it's essentially inline styles with a build step. Here's ...
CSS Transitions
CSS transitions are used to make the animation look smooth while changing the CSS properties. ...