:root{--visual-viewport-top: 0px}.visual-viewport-top{transform:translateY(var(--visual-viewport-top))}.centered{position:absolute;left:50%;top:50%;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}.square{width:100%;max-width:25em;aspect-ratio:1;object-fit:cover}.qr{background-color:#fff;border:10px solid white}code,pre{background-color:#0000001a;border-radius:5px;padding:1px}input:invalid{background-color:#ffc60940!important}