GNWT Base Theme Style Guide

Examples
Default styling
.tabs--secondary
Secondary tabs
Markup: navigation/tabs/tabs.twig
<ul class="tabs {{modifier_class}}">
  <li class="tabs__tab is-active"><a href="#" class="tabs__tab-link is-active">View <span class="visually-hidden">(active tab)</span></a></li>
  <li class="tabs__tab"><a href="#" class="tabs__tab-link">Edit</a></li>
  <li class="tabs__tab"><a href="#" class="tabs__tab-link">Revisions</a></li>
</ul>
Source: sass/navigation/tabs/_tabs.scss, line 4