#dropmenudiv{
  position:absolute;
  border:1px solid black;
  border-bottom-width: 0;
  line-height:18px;
  z-index:100;
}  
 
#dropmenudiv a{
  width:100%;
  display: block;
  text-indent: 3px;
  border-bottom: 1px solid black;
  text-decoration: none;
  color:blue;
  padding:3px 0px 3px 0px;
}

#dropmenudiv a:hover{  background-color:skyblue;}
#dropmenudiv a:active{  background-color:pink;}