.topnav a:link, .topnav a:visited{
color: white;
background-color: #663399;
display: block;
width: 85px;
line-height:28px;
text-decoration:none;
text-transform: uppercase;
font-family: Arial, Helvetica, sans-serif;
font-size: 11px;
font-weight: bold;
text-align: center;
}
.topnav a:hover {
background-color: #e4d5f3;
color: #663399;
}


Use the above code.

__________________
Ratan K
__
"If you have knowledge, let others light their candles in it."