It's pretty but the lack of borders around boxes makes some articles hard to follow. Look at this for example: http://wikipedia.moesalih.com/Hyperbolic_function

There are many people doing redesigns for websites and games, and they usually end up making things prettier while not improving user experience or even making it worse. So my humble request to everyone making these is to try to address the usability issues a site might have, and don't concentrate too much on the superficial look of the site.