.menudiv.a
{
font-size: 150%;
}

.menudiv.a:hover
{
font-size: 150%;
font-weight: bold;
}

.menudiv
{
position:absolute;  
top: 0; 
border: 1px solid #BBB; 
font:normal 10px Verdana; 
line-height:18px; 
z-index:100; 
background-color: white;
width: 142px;
visibility: hidden;
font-family: Helvetica, Verdana, Arial, sans-serif;
}