postcss-cssnext has been deprecated in favor of postcss-preset-env
Read more at https://moox.io/blog/deprecating-cssnext/
postcss-cssnext
PostCSS plugin to use tomorrow’s CSS syntax, today.
PostCSS-cssnext is a PostCSS plugin that helps you to use the latest CSS syntax today. It transforms CSS specs into more compatible CSS so you don’t need to wait for browser support.
