.collapsible-list {
  margin: 2rem 0;
}

.collapsible-item {
  margin-bottom: 1rem;
  border: 1px solid #e1e1e1;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.collapsible-item__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.collapsible-item__title::-webkit-details-marker {
  display: none;
}

.collapsible-item__title::after {
  content: "+";
  flex-shrink: 0;
  margin-left: 1rem;
  color: #777;
  font-size: 1.5rem;
  line-height: 1;
}

.collapsible-item[open] .collapsible-item__title::after {
  content: "−";
}

.collapsible-item__title:focus,
.collapsible-item__title:hover {
  background: #f8f8f8;
  outline: none;
}

.collapsible-item__content {
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid #f0f0f0;
}

.collapsible-item__content > :last-child {
  margin-bottom: 0;
}