Sass is the most mature, stable, and powerful professional grade CSS extension language in the world.
- CSS Compatible: Sass is completely compatible with all versions of CSS.
- Mature: Sass has been actively supported for about 12 years by its loving Core Team.
- Frameworks: Popular frameworks built with Sass -> Compass, Bourbon, and Susy.
- Nesting: HTML elements are nested. But CSS elements are not nested by default. Saas provides a way to nesting elements.
- Variables
- Math operators
- Mixin
- Condition
- Loop
- Partial and import
- Extends