.wp-block-details {
  border: 2px solid var(--wp--preset--color--red);
}
.wp-block-details summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--wp--preset--spacing--20) var(--wp--preset--spacing--30);
  border-bottom: 2px solid var(--wp--preset--color--red);
  margin-bottom: -2px;
}
.wp-block-details summary::after {
  content: "+";
  font-weight: 400;
  rotate: 0deg;
  font-family: "Font Awesome 6 Pro";
  font-size: var(--wp--preset--font-size--h-3);
  line-height: 1;
  transition: all 0.4s ease;
  color: var(--wp--preset--color--red);
}
.wp-block-details[open] summary::after {
  content: "\f068";
  rotate: 180deg;
}
.wp-block-details > :not(summary) {
  padding: 0 var(--wp--preset--spacing--30) var(--wp--preset--spacing--40);
}