components/tabs/tabs-header.html

<div class="sdc-tabs sdc-tabs-header">
    <ul class="sdc-tabs-list" role="tablist">
        <li class="sdc-tab sdc-tab-active" role="tab">tab 1</li>
        <li class="sdc-tab" role="tab">tab 2</li>
        <li class="sdc-tab" role="tab">tab 3</li>
    </ul>
    <div class="sdc-tab-content" role="tabpanel"><div>This is the active tab content</div></div>
</div>