Platform News: Rounded Outlines, GPU-Accelerated SVG Animations, How CSS Variables Are Resolved

When it comes to positioning elements on a page, including text, there are many ways to go about it in CSS — the literal position property with corresponding inset-* prope

I was reading through Juan’s recent Almanac entry for the @counter-style at-rule and I’ll be darned if he didn’t uncover and unpack some extremely interesting things

Chris wrote about “Likes” pages a long while back. The idea is rather simple: “Like” an item in your RSS reader and dis

Anchor positioning can be great for little interactive effects — as Temani Afif shows off with this clever idea for a menu hover.

Lee Meyer with a super clever idea using scroll-driven animations as an interaction to "like" or "dislike" something.

(This is a sponsored post.)

It’s probably no surprise to you that CSS-Tricks is (proudly) hosted on

Today, I want to look into one of those cases of impatient and how the community has waited for that feature, to be specific, two upcoming functions: sibling-count() and sibling-index().