How to Create a Non-Javascript Lightbox with CSS

We have seen lots of Javascript Lightbox plugins. It is good to see someone who has created a valid markup Lightbox purely with XHTML and CSS for us.

ThinkVitamin has published a detailed tutorial of How to Create a Valid Non-Javascript Lightbox. Please note that this article assumes you have a basic understanding of (X)HTML and CSS.

Requirements: FF, Safari, Chrome, IE6, IE7 and IE8
Demo: http://www.growldesign.co.uk/projects/lb/
License: License Free