[mr_justin]

It shows a great knowledge of CSS that is not readily seen today on many, if any, websites.

I see no such unboldedness when said links are clicked. Regardless, not the point of the article at all.

[silvertab]

Very nicely done indeed! Does it play nice with IE? (Can't test it because I don't have a Windows machine at home). CSS would be much more pleasant to work with if it was consistent across different browsers...

[what]

Not entirely sure, but it looks he uses some js to fix some things for IE8:

<!-- to help IE recognise the new HTML tags --> <!--[if lte IE 8]> <script src="/js/html5.js"></script> <script src="/js/css3-mediaqueries.js"></script><![endif]-->