I can still remember the day I discovered the <li> tag. It's not that I had never used list items before—I had built plenty of bulleted lists. What I discovered that day was that with a little CSS, the <li> becomes one of the most powerful and versatile tags in a web designer's arsenal. So versatile is the list item, in fact, that you could build and entire website layout out of just <ul> <li> tag pairs. Of course, that wouldn't be semantically correct, but you could do it. This article is a tutorial and a tribute to the amazing <li>.

This document defines formatting and style rules for HTML and CSS. It aims at improving collaboration, code quality, and enabling supporting infrastructure. It applies to raw, working files that use HTML and CSS, including GSS files. Tools are free to obfuscate, minify, and compile as long as the general code quality is maintained.

dabblet is an interactive playground for quickly testing snippets of CSS and HTML code. It uses -prefix-free, so that you won't have to add any prefixes in your CSS code. You can save your work in Github gists, embed it in other websites and share it with others. Follow @dabblet on twitter

It currently only supports modern versions of Chrome, Safari and Firefox but I'm hoping to expand browser support soon.

It’s handcoded by Lea Verou with care but some other nice folks helped too.

Our print style sheet is a work in progress. The navigational elements it hides double as brand identifiers. An alternate brand ID is needed for printouts. A few additional tweaks and changes would not be amiss. Some rules could be consolidated to save bandwidth. Even so, this first draft print style sheet may help designers who are crafting their own printer-friendly styles.

Can you take a simple list and use different Cascading Style Sheets to create radically different list options? The Listamatic shows the power of CSS when applied to one simple list.

Compiled here is another top 10 countdown. This time we count down the top 10 PSD to HTML conversion tutorials. These top tutorials teach you how to take many different designs in Photoshop, and code them out into HTML and CSS.

Prince is a computer program that converts XML and HTML into PDF documents. Prince can read many XML formats, including XHTML and SVG. Prince formats documents according to style sheets written in CSS.