<div class="modal-dialog modal-dialog-centered" role="document">
    <div class="modal-content">
        <div class="modal-body">
            <div id="wait-box" class="text-center">
                <h3>{translate key=$translateKey}</h3>
                <div class="spinner-border text-secondary" style="width: 3rem; height: 3rem;" role="status"></div>
            </div>
        </div>
    </div>
</div>