GFX update : website layout

["Laurent Chea" <contact@xxxxxxxxxxxxxxx>]

Hello again,

After some research about what could the ingame menus could be, here is a  
possible lifting for the website.

http://laurentchea.com/crimson/website/Crimson%20Fields.htm

This version uses a little bit more css, and still is stretchable to fit  
screen width.