Alternative text for CSS content
New CSS syntax for alt text on generated content, browser support, and screen reader compatibility.
All news — Page 20
Complete Svelte 5 course
Three-hour Joy of Code course on Svelte 5: basics, reactivity, state, and animations.
The fundamentals of CSS alignment
Comprehensive guide to aligning elements in flexbox, grid, positioning, and logical properties.
What’s new in Firefox 143 for developers
New color formats in color input, ::details-content, ::before::marker, and grid improvements.
Baseline in Browserslist
Browserslist 4.26.0 now supports defining browser support using Baseline availability terms.
WebKit features in Safari 26
75 new features including CSS Anchor Positioning, scroll animations, HDR, and
element. 
Tending your dependency garden
Treating dependencies as part of your product: updating, removing, and monitoring security.
Color shifting in CSS
Smooth color animations using hue-rotate() and @property without gray artifacts.
Nine new modules in Learn CSS
Learn CSS course updated with nesting, container queries, anchor positioning, and more.
Liquid glass effect in the browser: refraction with CSS and SVG
Recreating the controversial “liquid glass” look using SVG filters inspired by iOS and macOS.