body {
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
  padding: 30px;
}

textarea {
  width: 100%;
  height: 180px;
  padding: 10px;
  font-size: 14px;
}

button {
  padding: 10px 20px;
  cursor: pointer;
}

pre {
  background: white;
  padding: 15px;
  margin-top: 20px;
  white-space: pre-wrap;
}