CSS container queries explained with practical WordPress examples
Use CSS container queries to style WordPress components based on their parent container width instead of the viewport with @container rules.
CSS animations and keyframes explained for WordPress theme developers
Use CSS keyframe animations to create fade-in entrances, loading spinners, and skeleton screens without JavaScript in WordPress themes.
CSS position sticky explained with practical examples
Use CSS position sticky for headers, sidebars and table headers without JavaScript, and fix the most common reasons it stops working.
Use the Intersection Observer API for scroll animations in WordPress
Trigger CSS animations and lazy-load iframes when elements enter the viewport using the Intersection Observer API.
Use CSS custom properties in WordPress themes
Define CSS variables for colours, spacing and fonts at :root and reference them throughout your WordPress theme stylesheet.
Detect mobile devices and screen size with JavaScript
Use matchMedia, window.innerWidth and navigator.maxTouchPoints to detect device type reliably in JavaScript.