Let’s discuss all these rules in details:
CSS provides @import option that makes you able to split your CSS into smaller, more maintainable portions. The only one limitation is that each time you use @import in CSS, it creates another HTTP request.
Sass builds on top of the current CSS…
Sass stands for Systematically Awesome Style Sheets.
It is a CSS pre-processor. A CSS extension that is used to add power and elegance to the basic language. It makes possible you to add variables, nested rules, mixins, inline imports, inheritance and more, all with fully CSS-compatible syntax.