.dark {
  background-color: #212529;
  color: #fff;
}

header {
  background-color: #212529;
  color: #fff;
  display: flex; /* Adicione display: flex; */
  align-items: center;
  justify-content: center; /* Adicione justify-content: center; */
}

.form-control {
  background-color: #343a40;
  color: #fff;
}

.btn-primary {
  background-color: #007bff;
  border-color: #007bff;
}

.btn-secondary {
  background-color: #6c757d;
  border-color: #6c757d;
}

.modal-content {
  background-color: #212529; 
  color: #fff; 
}

.modal-header {
  border-bottom: 1px solid #343a40; 
}

.modal-footer {
  border-top: 1px solid #343a40; 
}

.modal-footer .btn-primary {
  background-color: #007bff; 
  border-color: #007bff;
}

.modal-footer .btn-secondary {
  background-color: #6c757d; 
  border-color: #6c757d;
}