.sizechart-modal { position: fixed; z-index: 9999; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.8); }
.sizechart-modal-content { margin: 3% auto; padding: 20px; width: 80%; background-color: #fff; border-radius: 4px; }
.sizechart-close { float: right; font-size: 28px; font-weight: bold; cursor: pointer; }