If 3D voxel scenes (that you can style), flying focus animations, or new CSS syntaxes sound like your kinda thing, then this issue of What’s !important is definitely for you.

Also featuring Polypane, scroll-driven animations, and the latest web platform updates from Chrome 148 and Safari 26.5.

Heerich.js for 3D voxel scenes

Inspired by the sculptures of Erwin Heerich, David Aerne created Heerich.js, a tiny engine for creating 3D voxel scenes. They’re rendered as SVG, and because we can use CSS variables in SVG, the scenes are basically styleable using CSS.

Polypane snippets