.form-img {
  height: 100vh;
  max-height: 438px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.form-narrow {
  max-width: 640px;
}


input.input-error {
  border-color: #ff0d0d!important;
}

input.input-ok {
  border-color: #048709!important;
}

span.valid-ok {
  color: #048709;
}

span.valid-error {
  color: #ff0d0d; 
}