cssnano-nightly v0.8.4

This is an un-official nightly release of cssnano's cssnano

In this, the package is named as cssnano-nightly

In from this docs, you need to replace every

cssnano --> cssnano-nightly

Original Docs below

cssnano

For documentation, please see the following links:

• Repository: https://github.com/cssnano/cssnano
• Website: http://cssnano.co