.portlet-importadores .card {
  border: 1px solid #dee2e6;
  border-radius: 0.25rem;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}
.portlet-importadores .card .card-header {
  background-color: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
  padding: 1rem;
}
.portlet-importadores .card .card-header h3 {
  margin: 0;
  color: #343a40;
  font-size: 1.5rem;
}
.portlet-importadores .card .card-body {
  padding: 1.5rem;
}
.portlet-importadores .alert {
  border-radius: 0.25rem;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1rem;
}
.portlet-importadores .btn-primary {
  background-color: #007bff;
  border-color: #007bff;
}
.portlet-importadores .btn-primary:hover {
  background-color: #0056b3;
  border-color: #004085;
}