.animate-fade-in {
  opacity: 0;
  animation: fadeIn 0.6s ease-in forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

.is-invalid {
  border-color: #dc3545;
}

.is-valid {
    border-color: #198754;
}

.alert-success {
    border-left: 4px solid #198754;
}

.alert-danger {
    border-left: 4px solid #dc3545;
}