nouveau-theatre-de-besancon/assets/css/src/collapsable-section.css

.collapsable-sections {
  background-color: var(--color-yellow);
  --row-padding: var(--padding-vertical) var(--space-m);
  padding: 0 !important;
}

.collapsable:not(:first-child) > *,
.collapsable:first-child > button,
.collapsable .session {
  padding: var(--row-padding);
  box-sizing: border-box;
  width: 100%;
  border-bottom: var(--border);
}

.collapsable button.toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.collapsable button.toggle.open svg {
  transform: rotate(180deg);
}

.collapsable__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-in-out;
}
.collapsable__content {
  max-height: 100%;
  overflow: hidden;
}

.collapsable__content {
  font-size: var(--font-size-s);
}

.collapsable__content .session {
  font-size: var(--font-size-m);
  grid-template-columns: 2fr 1fr 1fr 1fr;
}

.collapsable__content .production p:not(:last-child) {
  margin-bottom: 2rem;
}

.collapsable .resource > * {
  display: inline-block;
}

.collapsable .resource > p {
  margin-right: 2rem;
}

.collapsable .resource > a {
  font-weight: bold;
}