npm install csstree-cli
``bash`
> npm i -g csstree-cli
> csstree /path/to/style.css
> echo ".hello { world: 123 }" | csstree
`
> csstree -h
Usage:
csstree [filename] [options]
Options:
-c, --compact Compact output
-h, --help Output usage information
-v, --version Output version
``