.passerr
{
  color:red;
  font:bold 13px arial,sans;
  text-align:center;
  -moz-transition: opacity 0.2s ease-in-out 0s;
  -webkit-transition: opacity 0.2s ease-in-out 0s;
  -o-transition: opacity 0.2s ease-in-out 0s;
  opacity:0;
}

.passerrh
{
  color:red;
  font:bold 13px arial,sans;
  text-align:center;
  opacity:1;
}