ms-Pivot

Also known as a Tab
'https://codepen.io/phillipharding/pen/ONVRXR

<ul class="ms-Pivot"> 
  <li class="ms-Pivot-link is-selected">Step 1</li> 
  <li class="ms-Pivot-link">Step 2</li> 
  <li class="ms-Pivot-link">Step 3</li> 
</ul> 

<script type="text/javascript"> 
$(document).ready(function() { 
   if ($.fn.Pivot) { 
      $('.ms-Pivot'}.Pivot();  
   } 
}); 
</script>