:1.8s;
}

details[open] summary ~ ul li:nth-child(19):before {
animation:grow .5s ease-in-out normal forwards;
animation-delay:1.9s;
}

details[open] summary ~ ul li:nth-child(20) div,details[open] summary ~ ul li:nth-child(20) div:before {
animation:sweep .5s ease-in-out normal forwards;
animation-delay:1.9s;
}

details[open] summary ~ ul li:nth-child(20):before {
animation:grow .5s ease-in-out normal forwards;
animation-delay:2s;
}

details[open] summary ~ ul li:nth-child(21) div,details[open] summary ~ u