body {
  font-family: sans-serif;
  padding: 1rem;
  background-color: #f9f9f9;
}

textarea {
  width: 100%;
  height: 100px;
  padding: 0.5rem;
  font-size: 1rem;
  margin-bottom: 1rem;
}

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

.code-block {
  position: relative;
  background: #eee;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
  white-space: pre-wrap;
}

#copyBtn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 0.9rem;
}