details {
  border: none;
  margin: 0;
}

summary {
  padding: var(--rhyme-sm) 0;
  border-bottom: var(--border-sm) solid var(--color-outline-subtle);

  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
}

summary::after {
  content: '';
  width: 0; 
  height: 0; 
  border-top: 10px solid black;
  border-inline: 7px solid transparent;
  transition: 0.2s;
}

details[open] > summary {
  border-color: var(--color-primary);
}

details[open] > summary::after {
  transform: rotate(-180deg);
}

summary::-webkit-details-marker {
  display: none;
}