This page contains a list of the features I showed off in my talk about modern CSS features, along other relevant links related to the talk:

Useful websites/tools:

• caniuse.com
• PostCSS
• PostCSS Preset Env

Features:

• :is() and :where()
• :has()
• Cascade Layers
• aspect-ratio
• accent-color
• Custom selectors (specification draft)
• Container queries
• Anchor positioning
• interpolate-size
• Cross-document view transitions