[eluser]TheFuzzy0ne[/eluser]
You may want to validate your [url="http://jigsaw.w3.org/css-validator/"]CSS[/url] and [url="http://validator.w3.org/"]HTML[/url]. And to do this, you need to ensure that you really are coding in XHTML and not just HTML. There is a big difference with how pages are parsed.