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by deergomoo 2481 days ago
The flip side of this is that many new JavaScript features can be either transpiled to ES5 syntax, or polyfilled. It will be great when we don’t need to anymore, but I’m always pleasantly surprised by just how much modern JS can be used in, say, IE11, just by having Babel be part of the build step.

CSS unfortunately doesn’t work that way, so apart from graceful degradation you’re out of luck.