body {
  background: #0d0d0d;
  color: #e6e6e6;
  font-family: monospace;
  padding: 20px;
}

.container {
  max-width: 600px;
  margin: auto;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

pre {
  background: #1a1a1a;
  padding: 20px;
  border-radius: 8px;
  white-space: pre-wrap;
  margin-bottom: 20px;
}