tldr/pages/common/postcss.md

# postcss

> A tool for transforming styles with JS plugins.
> More information: <https://postcss.org>.

- Parse and transform a CSS file:

`postcss {{path/to/file}}`

- Parse and transform a CSS file and output to a specific file:

`postcss {{path/to/file}} --output {{path/to/file}}`

- Parse and transform a CSS file and output to a specific directory:

`postcss {{path/to/file}} --dir {{path/to/directory}}`

- Parse and transform a CSS file in-place:

`postcss {{path/to/file}} --replace`

- Specify a custom PostCSS parser:

`postcss {{path/to/file}} --parser {{parser}}`

- Specify a custom PostCSS syntax:

`postcss {{path/to/file}} --syntax {{syntax}}`

- Watch for changes to a CSS file:

`postcss {{path/to/file}} --watch`

- Display help:

`postcss --help`