 summary ~ ul li:nth-child(6) div,details[open] summary ~ ul li:nth-child(6) div:before {
animation:sweep .5s ease-in-out normal forwards;
animation-delay:.5s;
}

details[open] summary ~ ul li:nth-child(6):before {
animation:grow .5s ease-in-out normal forwards;
animation-delay:.6s;
}

details[open] summary ~ ul li:nth-child(7) div,details[open] summary ~ ul li:nth-child(7) div:before {
animation:sweep .5s ease-in-out normal forwards;
animation-delay:.6s;
}

details[open] summary ~ ul li:nth-child(7):before