Look at this bit of CSS. For greatest effect, imagine sending it yourself from ten or fifteen years ago, or the first time you hit upon a limitation in browser compatibility or looked at someone else’s stylesheet and wondered “what the heck is going on here and what’s a high-pass filter?” Marvel at all the things that are just there, no hacks or preprocessors or compilers required. Gradients, animations, input states. CSS has grown into the open-ended, declarative, and compatible syst...
