.accordion:after {
  content: '\0002B'; /* Unicode character for arrow */
  font-size: 2.5rem;
  float: right;
  margin-right: 20px;
  cursor: pointer;
}

.active:after {
  content: "\2212";
}

.active, .accordion:hover {
  background-color: #ccc;
}

.blocDetail {
  display: none;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
}