.wp-block-details {
  --_padding-inline: 0.8rem;
  --_padding-block: 1rem;
}
.wp-block-details > summary {
  padding: var(--_padding-inline) var(--_padding-block);
  font-weight: 600;
  list-style: none;
  position: relative;
  z-index: 0;
}

/* Content */
.wp-block-details-content {
  padding: 1rem;
  margin: 0;
}
.wp-block-details-content :first-child {
  margin-top: 0;
}
.wp-block-details-content :last-child {
  margin-bottom: 0;
}

/* Marker */
.wp-block-details > summary::marker,
.wp-block-details > summary::-webkit-details-marker {
  display: none;
}