#backdrop{background:rgba(0,0,0,.6);position:fixed;top:0;left:0;z-index:10;width:100%;height:100%;opacity:0;pointer-events:none;transition:opacity .2s ease}#backdrop.show{opacity:1;pointer-events:auto}#modal{position:fixed;top:30%;left:50%;transform:translate(-50%,-30%);z-index:30;box-shadow:4px 4px 10px #0003;padding:40px;border-radius:12px;margin:auto;opacity:0;pointer-events:none;transition:opacity .2s ease}#modal.show{opacity:1;pointer-events:auto}#modal.lower{z-index:15}