body
{
}
a.ReferralFormRequired{
    position:relative; /*this is the key*/
    z-index:24; 
    color:#990000;
    text-decoration:none;
    font-size:14pt;}

a.ReferralFormRequired:hover{z-index:25;color:#990000;}
a.ReferralFormRequired:visited {z-index:25;color:#990000;}
a.ReferralFormRequired:link{color:#990000;font-size:12pt;}

a.ReferralFormRequired span{display: none}

a.ReferralFormRequired:hover span{ /*the span will display just on :hover state*/
    display:block;
    position:absolute;
    top:2em; left:2em; width:15em;
    border:1px solid #330000;
    background-color:#990000; color:#ffffff;
    padding:2px;
    font-size:8pt;
    text-align: center}
    
.ReferralRadioButtonList {}
.ReferralRadioButtons {padding-left: 10px;}

.DivClosed {display:none;}
.DivOpen {display:block;}