.hide{
  display:none;
}
.calculator{
  margin:8px 0;
  border-collapse:collapse;
  border:2px solid #3333cc;
}
.calculator th,.calculator td{
  border:1px solid #3333cc;
}
.calculator th{
  text-align:left;
  padding:2px;
  font-family:Verdana, Geneva,Sans-Serif;
  font-weight:bold;
  font-size:12px;
  color:#0000ff;
  background-color:#b0e0e6;
  
  
}
.calculator th.header{
  text-align:center;
  font-family:Verdana, Geneva,Sans-Serif;
  font-weight:bold;
  font-size:14px;
  color:#FFD700;
  background-color:#3333cc;
}
 
.calculator input.uip,calculator select.uerr,calculator select.uerr option{
    border:2px groove #a1a1a1 !important;
    background-color:#f1f1f1;
}
select.uerr{
    border:2px solid #FF6600;
}

.calculator input.uerr{
    border:2px groove #a1a1a1 !important;
    background-color:#FF6600;
}

.calculator td span{
  display:block;
  padding:2px;
  font-weight:bold;
}