#dropmenudiv{
border-left:1px solid black; border-right:1px solid black; border-top:1px solid black; border-bottom:0px solid black; position:absolute;
line-height:18px;
z-index:100; font-style:normal; font-variant:normal; font-weight:normal; font-size:12px; font-family:Tahoma
}

#dropmenudiv a{
width: 100%;
display: block;
text-indent: 3px;
border-bottom: 1px solid black;
padding: 3px 0;
text-decoration: none;
font-weight: bold;
background-color: #3399FF;
color: black;
}

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