This video covers various techniques for detecting different devices and browsers, and why they aren't a great idea.

In this video we cover how the Modernizr library can help make progressive enhancement much more sophisticated.

Tutoriel in english : So we can make a box where its contents are transparent but the borders / text / etc are all visible. This is made possible with RBGA values.

English tutorial : Due to the fact that @font-face can be a bit overly complicated, it hasnt caught on quite as much as it should. Once you start reading about licensing, different font formats, browser consistencies, it can potentially become more trouble than its worth. But in five minutes, Ill try to simplify the process of working with custom fonts as much as I possibly can. Services like Font Squirrel help to make the task a cinch!

English tutorial : A common design technique lately is to create a fold effect, where it appears that a heading is folding behind its container. This is generally achieved through the use of tiny images; however, with CSS, we can mimic this effect quite easily. Ill show you how in four minutes.

English tutorial - Quick Tip: The Multi-Column CSS3 Module

English tutorial : HTML layout generator with 960 (http://960.gs)

English tutorial on 960 Grid System - Part two

English tutorial on 960 Grid System - Part one

Freelance Web Developer Chris Torian teaches you how to debug web site problems using Firefox's Firebug. It is intended to teach you how to bid on a web site change without having the clients original source code