button.efp-btn {
  background-color: #0909db !important;
  color: #fff !important;
  border: none !important;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
button.efp-btn:hover {
  background-color: #0606b8 !important;
}
.efp-preview-box {
  background: #f9f9ff;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 10px;
  margin-top: 15px;
}