.modal{z-index:99;background-color:#0009;width:100vw;height:100vh;display:none;position:fixed;top:0;left:0}.open-modal{justify-content:center;align-items:center;animation:.3s modal-bg-show;display:block}.open-modal .contents-root{overscroll-behavior:contain;width:100vw;height:100vh;display:flex;overflow-y:auto}.open-modal .contents-root>*{margin:auto}