body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.icon-preview {
    width: 32px;
    height: 32px;
    object-fit: contain;
    display: block;
    margin-bottom: 4px;
}

#previewWrapper .placeholder {
    width: 100%;
    max-width: 320px;
    height: 320px;
    margin: 0 auto;
}

#previewWrapper img#qrPreview {
    max-width: 100%;
    height: auto;
}

footer {
    margin-top: auto;
    opacity: .6;
}