<div class="modal-header">
    <h3 class="modal-title">{$l10n->get('SYS_PREVIEW')}</h3>
    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body" id="preview_content">
    {$ecardContent}
</div>
