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---
title: PostCSS
description: Hugo Pipes can process CSS files with PostCSS.
date: 2018-07-14
publishdate: 2018-07-14
lastmod: 2018-07-14
categories: [asset management]
keywords: []
menu:
docs:
parent: "pipes"
weight: 40
weight: 40
sections_weight: 40
draft: false
---
Any asset file can be processed using `resources.PostCSS` which takes for argument the resource object and a slice of options listed below.
The resource will be processed using the project's or theme's own `postcss.config.js` or any file set with the `config` option.
```go-html-template
{{ $css := resources.Get "css/main.css" }}
{{ $style := $css | resources.PostCSS }}
```
{{% note %}}
Hugo Pipe's PostCSS requires the `postcss-cli` JavaScript package to be installed in the environment (`npm install -g postcss-cli`) along with any PostCSS plugin(s) used (e.g., `npm install -g autoprefixer`).
If you are using the Hugo Snap package, PostCSS and plugin(s) need to be installed locally within your Hugo site directory, e.g., `npm install postcss-cli` without the `-g` flag.
{{% /note %}}
### Options
config [string]
: Path to the PostCSS configuration file
noMap [bool]
: Default is `true`. Disable the default inline sourcemaps
_If no configuration file is used:_
use [string]
: List of PostCSS plugins to use
parser [string]
: Custom PostCSS parser
stringifier [string]
: Custom PostCSS stringifier
syntax [string]
: Custom postcss syntax
```go-html-template
{{ $style := resources.Get "css/main.css" | resources.PostCSS (dict "config" "customPostCSS.js" "noMap" true) }}
```
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