Syntactically awesome style sheets Sass (which stands for 'Syntactically awesome style sheets) is an extension of CSS that enables you to use things like variables, nested rules, inline imports and more. It also helps to keep things organised and allows you to create style sheets faster. Sass is compatible with all versions of CSS Steps to use Sass Create a /Demo folder anywhere on your drive. Like this: ... Inside that folder create two sub folders: /css and /scss. Like this: ... Create a .scss file. ... Go back to the CMD line for a minute. ... Make Sass “watch” your /scss and /css folders. ... Edit the .scss file and watch Sass compile it into a .css file. Sass is a meta-language on top of CSS that's used to describe the style of a document cleanly and structurally, with more power than flat CSS allows. Sass both provides a simpler, more elegant syntax for CSS and implements various features that are useful for creating manageable stylesheets. Sass is an extension of CSS3, adding nested rules, variables, mixins, selector inheritance, and more. It's translated to well-formatted, standard CSS using the command line tool or a web-framework plugin. So Sass is a great way of writing a more terse and functional way of writing CSS. 3320 companies reportedly use Sass in their tech stacks, including Airbnb, Robinhood, and StackShare. Airbnb. Robinhood. StackShare. Stack. Alibaba Travels. Accenture. Bepro Company. trivago. (Entry 1 of 2) 1 informal. a : impudent speech : back talk She takes no sass from her students. b : bold rudeness or impertinence especially when considered playful, appealing, or courageous It is all dished out by combat-ready waitresses whose borscht belt sass lends extra spice to the meal. Sass (short for syntactically awesome style sheets) is a preprocessor scripting language that is interpreted or compiled into Cascading Style Sheets (CSS). ... The newer syntax, "SCSS" (Sassy CSS), uses block formatting like that of CSS. It uses braces to denote code blocks and semicolons to separate rules within a block.