[FIG(quote)[
[FIGCAPTION[
[1] [CITE@en[google/closure-stylesheets: A CSS+ transpiler that lints, optimizes, and I18n-izes]]
([TIME[2017-07-03 21:34:11 +09:00]])
<https://github.com/google/closure-stylesheets>
]FIGCAPTION]

> Closure Stylesheets is an extension to CSS that adds variables, functions, conditionals, and mixins to standard CSS. The tool also supports minification, linting, RTL flipping, and CSS class renaming.

]FIG]


[FIG(quote)[
[FIGCAPTION[
[2] [CITE[CodeMirror: Closure Stylesheets (GSS) mode]]
([TIME[2015-08-24 19:02:37 +09:00]])
<https://codemirror.net/mode/css/gss.html>
]FIGCAPTION]

> A mode for Closure Stylesheets (GSS).
> MIME type defined: text/x-gss.

]FIG]