quay/config_app/js/components/load-config/load-config.html

<div>
    <div class="co-dialog modal fade initial-setup-modal in" id="setupModal" style="display: block;">
        <div class="modal-backdrop fade in" style="height: 1000px;"></div>
        <div class="modal-dialog fade in">
            <div class="modal-content">
                <!-- Header -->
                <div class="modal-header">
                    <h4 class="modal-title"><span>Load Config</span></h4>
                </div>
                <!-- Body -->
                <div>
                    Please upload a tarball
                    <div class="file-upload-box"
                         select-message="Select a previous configuration to modify. Must be in tar.gz format"
                         files-selected="$ctrl.handleTarballSelected(files, callback)"
                         reset="$ctrl.resetUpload"
                         extensions="['application/gzip', '.gz']"></div>
                </div>
            </div><!-- /.modal-content -->
        </div><!-- /.modal-dialog -->
    </div>
</div>