p.accordion,div.panel{will-change:transform;transform:translateZ(0)}p.accordion{background-color:#fff;color:#444;cursor:pointer;padding:18px;width:100%;text-align:left;border:none;outline:none;transition:.4s;margin-bottom:10px}p.accordion.active,p.accordion:hover{background-color:#ddd}p.accordion:after{content:'\002B';font-size:13px;color:#777;float:right;margin-left:5px}p.accordion.active:after{content:"\2212"}div.panel{padding:0 18px;background-color:#efefef;max-height:0;overflow:hidden;transition:.4s ease-in-out;opacity:0;margin-bottom:10px}div.panel.show{opacity:1;max-height:500px}