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CSS Nesting is making the rounds yet again. Remember earlier this year when Adam and Miriam put three syntax options up for a vote? Those results were tallied and it wasn’t even even close.

Now there’s another chance …

Here’s Kilian Valkhof on CSS nesting which isn’t available in browsers yet, but will be soon. There are a few differences he notes between CSS nesting and nesting in Sass or Less though. Take, for example, the following code:

div 

We don’t have “regular” nesting in CSS. Maybe this becomes a thing someday, or something like it. That would be cool, although that pre-spec doesn’t mention anything about media queries. I’d hope we get that right out of the gate …

Yes, you can, and it doesn’t really matter in what order. A CSS preprocessor is not required. It works in regular CSS.

This works:

@supports(--a: b) {
  @media (min-width: 1px) {
    body {
      background: red;
    }
  }
}

And so …

I love nesting my @media query breakpoints. It’s perhaps the most important feature of Sass to me. Maybe I pick a method and do it like this:

.element {
  display: grid;
  grid-template-columns: 100px 1fr;
  @include breakpoint(baby-bear) {
    display: block;
  }

Brad Frost was asking about this the other day…

Sass people, which way do you do it and why? pic.twitter.com/dIBA9BIuCO

— Brad Frost (@brad_frost) October 1, 2018

.c-btn {
  &__icon {
      ...
  }
}

I guess that’s technically “nesting” but …

The following is a guest post by Filip Naumovic from Salsita Software. Filip has built a Sass tool to help with an issue I know I’ve experienced many times. You’re happily nesting in Sass. You’re maybe a level or …

The & is an extremely useful feature in Sass (and Less). It’s used when nesting. It can be a nice time-saver when you know how to use it, or a bit of a time-waster when you’re struggling and could …