body {
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  padding: 30px;
  text-align: center;
}

.container {
  max-width: 800px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

textarea {
  width: 100%;
  height: 200px;
  margin-top: 10px;
  padding: 10px;
  font-family: monospace;
  font-size: 1em;
  border-radius: 5px;
  resize: vertical;
}

select, button {
  padding: 10px;
  font-size: 1rem;
  margin: 10px;
}