.coupon {
  width: 80%;
  background: #fffeda;
  border: 6px dashed rgb(166,71,71) ;
  box-shadow: 0px 0px 11px 0px var(--bs-secondary-text-emphasis);
  border-radius: 30px;
}

@media (min-width: 700px) {
  .form-center {
    width: 80%;
  }
}

.form-control::placeholder {
  color: #c1c1c1;
}