How to: Markup and CSS
*Libraries for working with markup and CSS formats.*

* [Cebe Markdown](https://github.com/cebe/markdown) - A fast and extensible Markdown parser.
* [CommonMark PHP](https://github.com/thephpleague/commonmark) - Highly-extensible Markdown parser which fully supports the [CommonMark spec](https://spec.commonmark.org/).
* [Decoda](https://github.com/milesj/decoda) - A lightweight markup parser library.
* [Djot](https://github.com/php-collective/djot-php) - A PHP parser for [Djot](https://djot.net/), a modern light markup language (successor of Markdown).
* [Essence](https://github.com/essence/essence) - A library for extracting web media.
* [Embera](https://github.com/mpratt/Embera) - An Oembed consumer library.
* [HTML to Markdown](https://github.com/thephpleague/html-to-markdown) - Converts HTML into Markdown.
* [HTML5 PHP](https://github.com/Masterminds/html5-php) - An HTML5 parser and serializer library.
* [Parsedown](https://github.com/erusev/parsedown) - Another Markdown parser.
* [PHP CSS Parser](https://github.com/MyIntervals/PHP-CSS-Parser) - A Parser for CSS Files written in PHP.
* [PHP Markdown](https://github.com/michelf/php-markdown) - A Markdown parser.
* [Shiki PHP](https://github.com/spatie/shiki-php) - A [Shiki](https://github.com/shikijs/shiki) code highlighting package in PHP.
* [VObject](https://github.com/sabre-io/vobject) - A library for parsing VCard and iCalendar objects.