This portfolio website was made to show what can be done with CSS. CSS can be used for a lot more than just static page layouts or font styling. Used right, it can be a powerful tool for creating rapid, responsive interactivity, and thus improving the usability of any website.
Check out the live site here: www.biyanghansen.net/portfolio
But why use CSS when Flash is so readily available? Close to instant loading time for once (no annoying loading bars or update windows). And complete separation between content and design – the design of the website can be overhauled without touching any of the content.