.frm_sub{
  text-align: center;
  font-size: 22px;
  color: #000;
  text-transform: uppercase;
  margin-top: 0px;
  margin-bottom: 35px;
  letter-spacing: 0px;
}

@media (max-width: 768px){
  .frm_sub{  
    font-size: 18px;
    margin-bottom: 15px;
  }
}