.btn-primary, .navbar-custom {
  background-color: #28a745 !important;
  border-color: #28a745 !important; 
}

.btn-danger {
  background-color: #155724 !important;
  border-color: #ffffff !important; 
  color: #ffffff !important; 
}

.navbar-brand {
  color: #000000 !important;
}

.list-group-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.unregister {
  margin-left: auto;
  background-color: #dc3545 !important; 
  border-color: #dc3545 !important;
}