> For the complete documentation index, see [llms.txt](https://neptune-css.gitbook.io/neptune-css-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://neptune-css.gitbook.io/neptune-css-docs/home.md).

# Welcome

A free and open source CSS framework

Neptune CSS is a lightweight CSS framework. Use it to develop your websites faster.

<div align="left"><figure><img src="https://2502773477-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEkbtaLvopJ2OS43tkkqT%2Fuploads%2FZ4NMQ2B6XUi8pbzut8Jw%2Freadme_banner.png?alt=media&amp;token=3ad9fa90-06d0-4e4f-be95-bc1b37559f4f" alt="Neptune CSS Banner"><figcaption></figcaption></figure></div>