#custom-properties
Tagged “custom-properties”
2 articlesCSS & layout
A polyfill for CSS random(), while the browsers catch up
Lee Meyer's walkthrough on CSS-Tricks builds a polyfill for the emergent CSS random() function so authors can start using it — and get fluent in its caching keywords — before every engine ships.
Sep 9, 2026 · Iris CalderónCSS & layoutAnimating border-image finally works if you register the gradient stop
Preethi's new CSS-Tricks piece animates a gradient border-image by wrapping one of its stops in a typed custom property. The trick unlocks a moving decorative border in pure CSS, and hits a wall the moment your box has rounded corners.
Aug 11, 2026 · Iris Calderón