A.stra2{DISPLAY: block; text-align:center; padding-left:4px; width:auto;  line-height:20px; height:20px; border-bottom:0px solid #fff; text-decoration:none; background-color:#999999; color:#fff; background-image:url(images/sfondo_menu.gif)}
A.stra2:hover {TEXT-DECORATION: none; background-color:#CCCCCC;  color:#fff; font-weight:bold; }