For those of you who have TopStyle Pro 3, this beta should be installed directly on top of your previous version. Note that your existing settings will be retained, with the exception that your current layout will revert to the default.
Then tap into the power of cascading style sheets (CSS) and XHTML with TopStyle Pro. Written by Nick Bradbury, creator of HomeSite and FeedDemon, TopStyle Pro contains powerful tools for building standards-compliant sites.