Things You Can Do With CSS Today

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Some nice coverage from Andy about CSS things that are truly new. If you haven’t looked at new things in CSS in, say, a year, I’d bet pretty much all of this will be new to you. A lot of it is cutting-edge enough that you might not be able to get it into projects immediately, but that gap is getting pretty short these days. Rough guess, I’d say a year and we’ll be using all this stuff without much thought.

  • Masonry layout (e.g. grid-template-rows: masonry;) which I think was a terribly clever way to approach this long-awaited feature..
  • The :is selector which makes certain selectors way less obnoxious to write (e.g. article :is(h1, h2, h3):not(:first-child)). This makes me wonder why we never had such a thing in Sass that helped with that.
  • Functions like min(), max(), and clamp(), and I think the best practices and clever uses for them are just shaking out. Fluid type is the most obvious and useful example, but only scratches the surface.
  • Units like ch and ex. I really like max-width: 70ch;. There’s a general bit of typography advice that line length should be between 45 and 75 characters long (I made a bookmarklet to test it once), so rather than forcing that with some abstractly related width, you use the actual width of characters as the width.
  • Fancy text-decoration (e.g. text-decoration-thickness: 0.5rem;) meaning we can thicken up an underline without giving up the usefulness that is text-decoration-skip-ink like we would if we had to resort to a border.)

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