mmary ~ ul li:nth-child(29):before {
animation:grow .5s ease-in-out normal forwards;
animation-delay:2.9s;
}

details[open] summary ~ ul li:nth-child(30) div,details[open] summary ~ ul li:nth-child(30) div:before {
animation:sweep .5s ease-in-out normal forwards;
animation-delay:2.9s;
}

details[open] summary ~ ul li:nth-child(30):before {
animation:grow .5s ease-in-out normal forwards;
animation-delay:3s;
}

details[open] summary ~ ul li:nth-child(31) div,details[open] summary ~ ul li:nth-child(31) div:bef