Thanks muchly, Excavator (again...you are wonderful help).
But now my menu banner seems to be living underneath everthing else, and my page margins don't seem to be accomplishing anything - in other words, the top of the page is all flush fat the top, instead of starting a few pixels below and showing the nice rounded corners. Argh...fix one thing, only to uncover new issues! LOL
BUT, I did validate the markup and CSS using your links so thank you for that.