body {
  font-family: Arial, sans-serif;
  max-width: 600px;
  margin: 50px auto;
  text-align: center;
}
textarea {
  width: 100%;
  padding: 10px;
  font-size: 16px;
}
button {
  margin-top: 10px;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}
audio {
  margin-top: 20px;
  width: 100%;
}