body {
  background: #101820;
  color: #fff;
  font-family: Arial;
  text-align: center;
  padding: 40px;
}

#recordBtn {
  padding: 20px 30px;
  font-size: 20px;
  border: none;
  border-radius: 15px;
  background: #2ecc71;
  color: #000;
  cursor: pointer;
}

#recordBtn:hover {
  background: #27ae60;
}

#transcriptBox, #replyBox {
  margin-top: 20px;
  background: #1b2631;
  padding: 20px;
  border-radius: 10px;
}