summary{list-style:none}summary::-webkit-details-marker{display:none}details:after,details:before{content:"";position:absolute;bottom:0;left:0;width:100%;height:.75rem;border-left:1px solid #0b233e;border-bottom:1px solid #0b233e;opacity:.3}details:before{width:0;transition:width .3s ease;opacity:0}details.init:hover:before,details.init[open]:before{opacity:1;width:100%}details+details{margin-top:1.25rem}