.form-submit-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  justify-content: center;
  align-items: center;
  z-index: 1200;
}

.form-submit-popup-content {
  background-color: #ffffff;
  padding: 25px;
  border-radius: 10px;
  text-align: center;
  max-width: 450px;
  width: 90%;
  position: relative;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.form-submit-close {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 22px;
  cursor: pointer;
  color: #333333;
  transition: color 0.3s;
}

.form-submit-close:hover {
  color: #007bff;
}

.form-submit-popup-content h2 {
  margin: 0 0 15px;
  font-size: 24px;
  color: #333333;
}

.form-submit-popup-content p {
  margin: 0;
  font-size: 16px;
  color: #666666;
}