[jensimmons]

Style queries are the only thing he talked about that's Chrome-only, and Chrome hasn't even shipped them yet. They're only available in Chrome Canary behind a flag.

Firefox is working on shipping :has() and Container Queries.

Safari supports everything besides style queries. Many of these, Safari shipped first. More importantly, these days, browsers often ship new CSS around the same time.

Plus you can always use Feature Queries (@supports) to conditionally test for support and apply different CSS depending on what's supported. That way users who haven't updated their software in years have a great experience, too.

So no, you don't have to wait to use this CSS. Just think through what you are doing. Learn how here: https://www.youtube.com/playlist?list=PLbSquHt1VCf1kpv9WRGMC...