.mypopup{position:relative; z-index:24; color:#00008b; text-decoration:none}
.mypopup:hover{z-index:25; background-color:#fff}
.mypopup span{display:none}
.mypopup:hover span{ /*the span will display just on :hover state*/
     font-size:12px;
     font-weight:normal;
     display:block;
     position:absolute;
     top:0px; left:20px; width:450px;
     line-height: 1.2em;
     padding:0em;
     text-indent: 0em;
     border:1px outset #BBB;
     color:#000; background:#ddd; 
     text-align:left;}
ul {
    margin: 0em 0;
    line-height: 1.3em;
    padding-left: 2em;
}
li {
       text-indent:  0em;
}