Transform [cssnext] in CSS with [PostCSS]
[cssnext]: https://github.com/MoOx/postcss-cssnext
[PostCSS]: https://github.com/postcss/postcss
sh
npm install @modularbp/gulp-css --save-dev
``[@modularbp/gulp-error]: https://github.com/modularbp/modular-gulp/tree/master/modules/gulp-error
[@modularbp/gulp-paths]: https://github.com/modularbp/modular-gulp/tree/master/modules/gulp-paths
[@modularbp/gulp-serve]: https://github.com/modularbp/modular-gulp/tree/master/modules/gulp-serve
[gulp]: https://github.com/gulpjs/gulp
[gulp-postcss]: https://github.com/postcss/gulp-postcss
[postcss-cssnext]: https://github.com/MoOx/postcss-cssnext
[postcss-import]: https://github.com/postcss/postcss-import
[postcss-pxtorem]: https://github.com/cuth/postcss-pxtorem