.cedula{
padding:1px 1px 1px 1px;
border:0 0 0 0;
margin:0 0 0 0;
}  

  a.dcontexto{
  position:relative; 
  font:12px arial, verdana, helvetica, sans-serif; 
  padding:0;
  color:#039;
  text-decoration:underline;
  cursor:help;
  z-index:24;
  }
  a.dcontexto:hover{
  background:transparent;
  z-index:25; 
  }
  a.dcontexto span{display: none}
  a.dcontexto:hover span{ 
  display:block;
  position:absolute;
  width:230px; 
  top:20px;
  left:50px;
  font: 12px arial, verdana, helvetica, sans-serif; 
  padding:5px 10px;
  border:1px solid #999;
  background:#EBEBEB; 
  color:#000;
  }