.collapsible-tab__text {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}
.collapsible-tab__inner-text {
  padding: 16px 8px;
}
.transition {
  transition: max-height 500ms ease-in-out, opacity 400ms ease-in-out;
  animation-iteration-count: infinite;
}
.collapsible-tab[open] + .collapsible-tab__text {
  max-height: 1000vh;
  opacity: 1;
}