Sass

Sass, aka syntactically awesome stylesheets, is a stylesheet language created in 2006 by Hampton Lintorn-Catlin.

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Sass (syntactically awesome stylesheets) is a style sheet language initially designed by Hampton Catlin and developed by Natalie Weizenbaum. After its initial versions, Weizenbaum and Chris Eppstein continued to extend Sass with SassScript, a simple scripting language used in Sass files. Sass is a scripting language that is interpreted or compiled into Cascading Style Sheets (CSS). Read more on Wikipedia...

Sass website
Sass Wikipedia page
Sass docs
There are at least 8,972 Sass repos on GitHub
file extensions for Sass include sass and scss
Sass on Twitter
The Google BigQuery Public Dataset GitHub snapshot shows 439 users using Sass in 466 repos on GitHub
CodeMirror package for syntax highlighting Sass
Pygments supports syntax highlighting for Sass
GitHub supports syntax highlighting for Sass
sass-lang.com was registered in 2009
See also: (15 related languages)Ruby, YAML, HAML, Less, Stylus, CSS, PHP, C, Java, Go, Eclipse, Emacs, Visual Studio, Vim, Visual Studio Code
HTML of this page generated by LanguagePage.ts

Example from Riju:

body:before
  content: "Hello, world!"

Example from hello-world:

body::before
	content: "Hello World"

Example from Linguist:

$blue: #3bbfce
$margin: 16px

.content-navigation
  border-color: $blue
  color: darken($blue, 9%)

.border
  padding: $margin / 2
  margin: $margin / 2
  border-color: $blue

Example from Wikipedia:

.error, .badError {
  border: 1px #f00;
  background: #fdd;
}

.error.intrusion,
.badError.intrusion {
  font-size: 1.3em;
  font-weight: bold;
}

.badError {
  border-width: 3px;
}

Feature	Supported	Token	Example
Strings	✓	"	"Hello world"
Semantic Indentation	✓

Books about Sass from ISBNdb

title	authors	year	publisher
Sass and Compass for Designers	Frain, Ben	2013	Packt Publishing
Mastering Sass	Watts, Luke	2016	Packt Publishing
Sass and Compass for Designers (Community Experience Distilled)	Frain, Ben	2013	Packt Publishing
Sass and Compass Designer's Cookbook	Jobsen, Bass	2016	Packt Publishing
Jump Start Sass	Hugo Giraudel; Miriam Suzanne	20160324	O'Reilly Media, Inc.
Jump Start Sass	Hugo Giraudel	20160324	O'Reilly Media, Inc.
Instant SASS CSS How-to	Alex Libby	20130222	Packt Publishing

Sass - Stylesheet language

Language features

Books about Sass from ISBNdb

Publications about Sass from Semantic Scholar