<div class="tabs vtabs">
    <img data-bind="attr: { src: thumbnailUrl }" style="width: 100%; border-radius: 10px; box-shadow: 0px 7px 9px #666666;">

    <ul data-bind="foreach: topics">
        <li
            data-bind="text: $data,
                   css: { selected: $data == $parent.selectedTopic() },
                   click: $parent.selectTopic"></li>
    </ul>
</div>
<div id="vtabs-content" data-bind="component: { name: selectedComponent }">
</div>