una/modules/boonex/notifications/template/block_settings.html

<div class="__style_prefix__-settings-groups">
    <bx_repeat:groups>
        <div class="__style_prefix__-settings-group">
            <div class="__style_prefix__-sg-title bx-def-font-h2">__title__</div>
            <div class="__style_prefix__-sg-content bx-def-margin-sec-top bx-def-margin-bottom">__content__</div>
        </div>
    </bx_repeat:groups>
</div>