details summary{list-style:none}details summary::-webkit-details-marker{display:none}details summary:before{content:"▶";display:inline-block;margin-right:.5rem;transition:transform .3s ease,translate .3s ease}details[open] summary:before{content:"▼";transform:rotate(90deg)}@keyframes bounceArrow{0%,to{transform:translateY(0)}50%{transform:translateY(4px)}}summary.scroll-bounce:before{animation:bounceArrow .6s ease-in-out 0s 2}@keyframes wobbleArrow{0%,to{transform:translate(0)}25%{transform:translate(-3px)}75%{transform:translate(3px)}}summary.animate-shake:before{animation:wobbleArrow .4s ease-in-out 0s 1}