.php-email-form .loading {
  display: none;
  background: #fff;
  text-align: center;
  padding: 15px;
}

.php-email-form .error-message {
  display: none;
  color: #fff;
  background-color: #c31f09;
  text-align: center;
  padding: 15px;
  font-weight: 600;
  font-size: 18px;
  border-radius: 10px;
}

.error-message br + br {
  margin-top: 25px;
}

.php-email-form .sent-message {
  display: none;
  color: #fff;
  background-color: #18d26e;
  text-align: center;
  padding: 15px;
  font-weight: 600;
  font-size: 18px;
  border-radius: 10px;
}