CSS Changes - grey bar on the main menu?

Hi
i need some help removing what looks like a slightly grey bar on the main menu ?
please see for changes - http://www.tiikoni.com/tis/view/?id=4c11a88
Domain: http://tinyurl.com/pj5agg6

Also need help with these changes - http://www.tiikoni.com/tis/view/?id=2dbd33b

Support access is ACTIVE until July 17, 2015 8:33 pm

thanks
Tom