1.wp-block-accordion-item.is-open>.wp-block-accordion-heading .wp-block-accordion-heading__toggle-icon{
  2  transform:rotate(45deg);
  3}
  4@media (prefers-reduced-motion:no-preference){
  5  .wp-block-accordion-item{
  6    transition:grid-template-rows .3s ease-out;
  7  }
  8  .wp-block-accordion-item>.wp-block-accordion-heading .wp-block-accordion-heading__toggle-icon{
  9    transition:transform .2s ease-in-out;
 10  }
 11}