Sass Features in CSS

Over the last decade, several features have made the move from Sass (and other pre-processors) to CSS – most notably ‘variables’ (as custom properties), and now ‘nesting’.

Here we consider some of the other Sass structures, and what advantages we would see from moving them into CSS.

As a useful reference-point, the HTTP Archive has done some basic tracking of Sass usage across sites that provide public Sass sourcemaps.