Here comes two useful CSS design related links. The fist one is to katgal.com that shows you how to change your CSS style based on the time of the day. Katherine manage to do this using a bit of javascript and CSS.

http://www.katgal.com/2007/03/time-sensitive-css-switcher-change.html

The second link is to a site called CSS Tinderbox who offers free but very basic open source CSS/XHTML templates. This is very useful for those that want to learn CSS and XHTML.

The CSS Tinderbox is an effort to support open source web design by providing very basic, yet solid, CSS/XHTML design templates that web designers and web developers can use as the foundation for their own projects.

http://csstinderbox.raykonline.com