Sorry Carl I missed your reply.
You could add the following code to the bottom (has to be at the bottom) of the style.css file for the professional theme you are using like so:
PHP Formatted Code
The reason the underline is happening on links is because somewhere in the style.css file the style for links are set to
You could also search for these (probably multiple locations) and change underline to none.
One of the Geeklog Core Developers.