Sorry, How do I? Can someone please provide the steps to getting there. I can not seem to find it...aahh an Newbie after a year

still learning and customizable of colors would be nice.
Edit: dang someday I will figure this out...How do I get here. I think I need a map.
HTML Code:
.ui-bar-b { background: -moz-linear-gradient(center top , #81A8CE, #5E87B0) repeat scroll 0 0 #5E87B0; border: 1px solid #456F9A; color: #FFFFFF; font-weight: bold; text-shadow: 0 -1px 1px #254F7A;}