.message {
  padding: 12px;
  margin: 10px 0;
  border-radius: 5px;
  font-weight: bold;
  text-align: center;
  transition: opacity 0.3s ease-in-out;
}

.message.error {
  background-color: #ff4d4d;
  color: white;
}

.message.success {
  background-color: #3c943f;
  color: white;
}

.message.info {
  background-color: #2196f3;
  color: white;
}

.message.warning {
  background-color: #ce8922;
  color: white;
}