#otp_verification_box {
  background: #fff;
  padding: 20px;
  border: 1px solid #ddd;
  margin-top: 20px;
  border-radius: 10px;
}

#otp_verification_box h3 {
  color: #333;
  margin-bottom: 15px;
}

#send_checkout_otp,
#verify_checkout_otp {
  background: #000;
  color: #fff;
  border: none;
  padding: 12px 20px;
  border-radius: 5px;
  cursor: pointer;
}

#checkout_otp {
  width: 100%;
  margin-bottom: 10px;
}

.success-msg {
  color: green;
  font-weight: 600;
}

.error-msg {
  color: red;
  font-weight: 600;
}