body {
  padding: 20px;
  background-color: #121212;
  color: #ffffff;
}

.container {
  max-width: 800px;
}

.card {
  background-color: #1e1e1e;
  border: 1px solid #333;
}

.card-title {
  color: #ffffff;
}

.card-text {
  color: #cccccc;
}

.alert {
  margin-top: 20px;
}

.alert-info {
  background-color: #0d47a1;
  color: white;
  border: none;
}

.alert-warning {
  background-color: #f57c00;
  color: white;
  border: none;
}