padding-bottom:20px;
}

details[open] summary ~ ul li:nth-child(1) div,details[open] summary ~ ul li:nth-child(1) div:before {
animation:sweep .5s ease-in-out normal forwards;
animation-delay:0s;
}

details[open] summary ~ ul li:nth-child(1):before {
animation:grow .5s ease-in-out normal forwards;
animation-delay:.1s;
}

details[open] summary ~ ul li:nth-child(2) div,details[open] summary ~ ul li:nth-child(2) div:before {
animation:sweep .5s ease-in-out normal forwards;
animation-delay:.1s;
}

details[open]