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radar/2017-10-01/sass.md

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+---
+title:      "SASS"
+ring:       adopt
+quadrant:   languages-and-frameworks
+
+---
+
+SASS (Syntactically Awesome Style-Sheets) is an extension to native CSS, which, as a preprocessor, simplifies the generation of CSS by offering features that enable developers to more efficiently write robust, better readable and maintainable CSS.
+
+Core features of SASS are:
+
+*   Nesting of rules: CSS rules can be indented, reducing redundancy of selectors and increasing readability due to shorter selectors.
+*   Use of variables: Commonly-used values such as colors can be stored in variables
+*   Mixins: Often-used CSS blocks can be referenced by using mixins, which work like functions
+*   Extends: CSS properties can be inherited
+*   SASS files can be split into modules, which leads to smaller files and better file structures
+*   Operators: Simple math calculations can be applied to CSS properties
+*   Easily to integrate in nodejs-environments and build tools such s [NPM](/tools/npm.html), [Gulp](/tools/gulp.html) and [Grunt](/tools/grunt.html).
+
+SASS has been widely adopted for many years and has evolved to an industry-standard backed by an active community since 2006.
+
+The learning curve is very smooth as SASS is fully compatible to CSS, meaning that all features are optional: Starting with SASS is as easy as renaming .css-files to .scss in a first step and then refactoring it step-by-step with the use of SASS features.
+
+At AOE, SASS has been recommended by the frontend COI and is used in nearly every current project.
+
+More information:
+
+*   [SASS Language](http://sass-lang.com/)
+*   [SASSDoc](http://sassdoc.com/)
+*   [Improving Sass code quality on](https://www.theguardian.com/info/developer-blog/2014/may/13/improving-sass-code-quality-on-theguardiancom) [theguardian.com](http://theguardian.com)