Very quick video today showing the basics of how to use the web developers tool bar to identify troublesome CSS issues. This one is for Mandy who left a comment asking how to identify problematic CSS when Joomla extensions are calling additional style sheets. The quick tip shown should help.
Web developers tool bar can be found at https://addons.mozilla.org/en-US/firefox/addon/60
You also need FireFox http://www.mozilla.com/en-US/firefox/personal.html