[css-d] Help identifying float bugs and fixes

Hello, My site looks fine on most browsers, but there are problems in MSIE 5.5 and 6 and in Mac IE 5.2. My site: http://trinitychamberconcerts.com the stylesheet: http://trinitychamberconcerts.com/newstyles.css and screenshots in the offending browsers:

[css-d] Header display problem with MSIE 5.5/6

Hello, I've recently previewed my site on browsershots.org and it looks good in most browsers. MSIE 5.5/6 on Win2k, however, don't display the header div properly. Here's the site: http://trinitychamberconcerts.com and here's the stylesheet: http://trinitychamberconcerts.com/newstyles.css