 {
animation:grow .5s ease-in-out normal forwards;
animation-delay:.7s;
}

details[open] summary ~ ul li:nth-child(8) div,details[open] summary ~ ul li:nth-child(8) div:before {
animation:sweep .5s ease-in-out normal forwards;
animation-delay:.7s;
}

details[open] summary ~ ul li:nth-child(8):before {
animation:grow .5s ease-in-out normal forwards;
animation-delay:.8s;
}

details[open] summary ~ ul li:nth-child(9) div,details[open] summary ~ ul li:nth-child(9) div:before {
animation:sweep .5s ease-in-out no