#dropmenudiv{
position:absolute;
border:1px solid #999999;
border-bottom-width: 0;
font:normal 12px Verdana;
line-height:17px;
z-index:100;
margin-top:31px;
background: transparent; 
opacity: .75; 
filter:alpha(opacity=75); /* IE's opacity*/ 
}

#dropmenudiv a{
width: 100%;
display: block;
text-indent: 3px;
border-bottom: 1px solid black;
padding: 1px 0;
text-decoration: none;
font-weight: bold;
background-color:#edf5f9;
font-weight: bold;
font-size: 11px;
color: #000000;
font-family: Tahoma, Arial, Helvetica;
}

#dropmenudiv a:hover{ /*hover background color*/
background-color: #000000;
color: #edf5f9;
}