[Leimi]

I feel like easy nesting shouldn't be included in CSS. The only few times it's actually useful and harmless to have nesting in Sass is when we want to do stuff like styling anchor's hover and focus styles at the same time. And this is already solved in CSS with :is() and :where().

Most of the time I see nesting used, it ends up either in a stylesheet that is less readable than without it, or in generating css classes that are way more specific than necessary.