body {
  font-family: sans-serif;
  text-align: center;
  padding: 2rem;
  background: #f0f0f0;
}

textarea {
  width: 80%;
  height: 200px;
  margin-top: 1rem;
  font-family: monospace;
}

.code-box {
  background: #282c34;
  padding: 1rem;
  margin: 1rem auto;
  width: 80%;
  color: #fff;
  text-align: left;
  border-radius: 8px;
}

button {
  margin: 0.5rem;
  padding: 0.6rem 1rem;
  font-size: 1rem;
}