Text-overflow

Selection styling

CSS filters

CSS blend modes

Block style tag and contenteditable attribute

Difficult CSS Grid layouts

Text-fill-color

Shape-outside

CSS-only collapse with transition to auto height

:has selector

Writing modes

Scroll Behaviours

Gradients

Object view box

Colors

Media queries

Different svg features

CSS functions

Contain

Pseudo-classes

CSS Painting API

Cursor

Field sizing