.faqs {
  margin: 1rem;
}

details {
  overflow: hidden;
}
details summary {
  border-bottom: 1px solid black;
  cursor: pointer;
  grid-template-columns: 1fr auto;
  font-weight: bold;
  padding-block: 0.5rem;
}
details div {
  overflow: hidden;
  margin-block: 0.5rem;
}
details[open] {
  border-bottom: 1px solid black;
}
details[open] summary {
  border-bottom: 1px solid transparent;
}