.ld-item-list-section-heading.bb-acc-heading {
  cursor: pointer;
  position: relative;
  padding-right: 34px;
  user-select: none;
}

.ld-item-list-section-heading.bb-acc-heading::after {
  content: "▾";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%) rotate(0deg);
  transition: transform .18s ease;
}

.ld-item-list-section-heading.bb-acc-heading.open::after {
  transform: translateY(-50%) rotate(180deg);
}