It's Time for Everyone to Learn About PostCSS | David Clark Develops the Web
Timothée Goguely

A while ago, I wrote "I'm Excited About PostCSS, But I'm Scared to Leave Sass". Since then, I have wholeheartedly embraced PostCSS (and left Sass, at least temporarily). I've been using PostCSS on large-scale projects, contributing to and authoring plugins, communicating with the maintainers to learn more about what's possible; and that's all gone swimmingly.