PostCSS plugin to add a collection of mixins, shortcuts, helpers and tools for your CSS
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PostCSS Utility Library Build Status

PostCSS Utility Library

Let's face it. You don't have time to write your own mixins, helpers or shortcuts for your next project. Let postcss-utilities help you instead.

postcss-utilities is a PostCSS plugin that includes the most commonly used mixins, shortcuts and helpers. It's as easy as specifying @util utility-name in your stylesheet, and postcss-utilities will handle the rest for you.

Check out the documentation to get started using postcss-utilities

Try it in the browser!


PostCSS has a lot of plugins and some of them use non-standar CSS properties to work as mixins or helpers. This is not a best way for a PostCSS plugin, because developers will not understand what is the source of this property.

"This plugin saves us from many tiny plugins with unknown properties" @ai proposal postcss/issues/645

What is the difference between preprocessor’s mixins libraries?

  • You don’t need the extra files in your css codebase for mixins.
  • You don’t need mixins for vendor prefixing (use autoprefixer plugin)
  • You can use postcss-utilities with LESS, SASS, vanilla CSS or whatever you choice.

List of current utilities

IMPORTANT: The list of utilities is open for suggestions.



.cfx {
    @util clearfix;

.box-16-9 {
    background-color: #ccc;
    margin-bottom: 20px;
    @util aspect-ratio(16:9);


.cfx:after {
    content: '';
    display: block;
    clear: both;

.box-16-9 {
    background-color: #ccc;
    margin-bottom: 20px;
    position: relative;
    display: block;
    height: 0;
    padding: 0;
    overflow: hidden;
    padding-bottom: 56.25%;


postcss([ require('postcss-utilities') ])

See PostCSS docs for examples of your environment.


The list of utilities is open for suggestions.