--- layout: has_no_sidebars h1: CSS with superpowers no_container: true is_home: true eleventyComputed: section_bottom: - header: CSS Compatible body: > Sass is completely compatible with all versions of CSS. We take this compatibility seriously, so that you can seamlessly use any available CSS libraries. - header: Feature Rich body: > Sass boasts more features and abilities than any other CSS extension language out there. The Sass Core Team has worked endlessly to not only keep up, but stay ahead. - header: Mature body: > Sass has been actively supported for {{ 'Tue Nov 28 19:43:58 2006 +0000' | formatDistanceToNow }} by its loving Core Team. - header: Industry Approved body: > Over and over again, the industry is choosing Sass as the premier CSS extension language. - header: Large Community body: > Sass is actively supported and developed by a consortium of several tech companies and hundreds of developers. - header: Frameworks body: > There are an endless number of frameworks built with Sass. [Bootstrap](https://getbootstrap.com/), [Bourbon](http://bourbon.io/), and [Susy](http://susy.oddbird.net/) just to name a few. ---

Sass is the most mature, stable, and powerful professional grade CSS extension language in the world.

Glasses

```scss // styles.scss @use 'base'; .inverse { background-color: base.$primary-color; color: white; } ``` ```scss $font-stack: Helvetica, sans-serif; $primary-color: #333; body { font: 100% $font-stack; color: $primary-color; } .info { @include theme; } ``` ```css /* This CSS will print because %message-shared is extended. */ .message, .success, .error, .warning { border: 1px solid #ccc; padding: 10px; color: #333; } ``` ```scss @use 'sass:math'; .container { display: flex; } article[role='main'] { width: math.div(600px, 960px) * 100%; } ``` ```scss @debug math.pow(10, 2); // 100 @debug math.pow(100, math.div(1, 3)); // 4.6415888336 @debug math.pow(5, -2); // 0.04 ```