A free CSS Validation Service is offered by W3C
This service displays errors in your CSS rules with comments of what is wrong to help you rectify the error.
Dream Templates have over 5500 Web Templates that include:
Download Simple CSS 1.9MB for windows or 4.1 MB for Mac
Bullets are small graphics, and example of there use is shown as the arrow in the unordered list below
Website Bullets have 750 bullets in 5 colours
Free graphics including bullets, backgrounds,etc