Personally I'm finding it much easier to style my vB site using "additional.css" in the edit templates section rather than using stylevars. Breadcrumbs for example have no stylevars value, so in my customized css I defined them to how I wanted them to look and sure enough the result came out perfectly.
I believe I'm going to theme using strictly additional.css from now on since it seems to be much more versatile, especially to those familiar with CSS.
One concern I have: will additional.css *always* override a value should it be defined elsewhere in vB?
__DEFINE_LIKE_SHARE__