guide/Resources/Private/Language/locallang.xlf:component.panels.nesting.headline" /></h2>
        <sg:colorScheme>
            <div class="panel-group" id="panel-group-<UNIQUEID>">
                <f:for each="{0:1, 1:2, 2:3, 3:4}" as="element">
                    <div class="panel panel-default">
                        <h3 class="panel-heading" role="tab">
                            <div class="panel-heading-row">
                                <button
                                    class="panel-b