.header {
  z-index: 3; /* 確保 header 在 footer 之上 */
}

.border {
  border: 1px solid #dee2e6;
  border-radius: 5px;
}

.selected {
  background-color: #6c757d !important;
  color: white;
}

.submit-section button {
  padding: 10px 20px;
  background-color: #d4b7a1;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  margin: 0 10px;
}