bulma/docs/_includes/library/components/tabs.html

<div class="tabs">
  <ul>
    <li class="is-active"><a>Pictures</a></li>
    <li><a>Music</a></li>
    <li><a>Videos</a></li>
    <li><a>Documents</a></li>
  </ul>
</div>

<div class="tabs is-centered">
  <ul>
    <li class="is-active"><a>Pictures</a></li>
    <li><a>Music</a></li>
    <li><a>Videos</a></li>
    <li><a>Documents</a></li>
  </ul>
</div>

<div class="tabs is-right">
  <ul>
    <li class="is-active"><a>Pictures</a></li>
    <li><a>Music</a></li>
    <li><a>Videos</a></li>
    <li><a>Documents</a></li>
  </ul>
</div>

<div class="tabs is-centered">
  <ul>
    <li class="is-active">
      <a>
        <span class="icon is-small"><i class="fas fa-image" aria-hidden="true"></i></span>
        <span>Pictures</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-music" aria-hidden="true"></i></span>
        <span>Music</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-film" aria-hidden="true"></i></span>
        <span>Videos</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="far fa-file-alt" aria-hidden="true"></i></span>
        <span>Documents</span>
      </a>
    </li>
  </ul>
</div>

<div class="tabs is-small">
  <ul>
    <li class="is-active"><a>Pictures</a></li>
    <li><a>Music</a></li>
    <li><a>Videos</a></li>
    <li><a>Documents</a></li>
  </ul>
</div>

<div class="tabs is-medium">
  <ul>
    <li class="is-active"><a>Pictures</a></li>
    <li><a>Music</a></li>
    <li><a>Videos</a></li>
    <li><a>Documents</a></li>
  </ul>
</div>

<div class="tabs is-large">
  <ul>
    <li class="is-active"><a>Pictures</a></li>
    <li><a>Music</a></li>
    <li><a>Videos</a></li>
    <li><a>Documents</a></li>
  </ul>
</div>

<div class="tabs is-boxed">
  <ul>
    <li class="is-active">
      <a>
        <span class="icon is-small"><i class="fas fa-image" aria-hidden="true"></i></span>
        <span>Pictures</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-music" aria-hidden="true"></i></span>
        <span>Music</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-film" aria-hidden="true"></i></span>
        <span>Videos</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="far fa-file-alt" aria-hidden="true"></i></span>
        <span>Documents</span>
      </a>
    </li>
  </ul>
</div>

<div class="tabs is-toggle">
  <ul>
    <li class="is-active">
      <a>
        <span class="icon is-small"><i class="fas fa-image" aria-hidden="true"></i></span>
        <span>Pictures</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-music" aria-hidden="true"></i></span>
        <span>Music</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-film" aria-hidden="true"></i></span>
        <span>Videos</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="far fa-file-alt" aria-hidden="true"></i></span>
        <span>Documents</span>
      </a>
    </li>
  </ul>
</div>

<div class="tabs is-toggle is-toggle-rounded">
  <ul>
    <li class="is-active">
      <a>
        <span class="icon is-small"><i class="fas fa-image"></i></span>
        <span>Pictures</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-music"></i></span>
        <span>Music</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-film"></i></span>
        <span>Videos</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-file-alt"></i></span>
        <span>Documents</span>
      </a>
    </li>
  </ul>
</div>

<div class="tabs is-fullwidth">
  <ul>
    <li>
      <a>
        <span class="icon"><i class="fas fa-angle-left" aria-hidden="true"></i></span>
        <span>Left</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon"><i class="fas fa-angle-up" aria-hidden="true"></i></span>
        <span>Up</span>
      </a>
    </li>
    <li>
      <a>
        <span>Right</span>
        <span class="icon"><i class="fas fa-angle-right" aria-hidden="true"></i></span>
      </a>
    </li>
  </ul>
</div>

<div class="tabs is-centered is-boxed">
  <ul>
    <li class="is-active">
      <a>
        <span class="icon is-small"><i class="fas fa-image" aria-hidden="true"></i></span>
        <span>Pictures</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-music" aria-hidden="true"></i></span>
        <span>Music</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-film" aria-hidden="true"></i></span>
        <span>Videos</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="far fa-file-alt" aria-hidden="true"></i></span>
        <span>Documents</span>
      </a>
    </li>
  </ul>
</div>

<div class="tabs is-toggle is-fullwidth">
  <ul>
    <li class="is-active">
      <a>
        <span class="icon is-small"><i class="fas fa-image" aria-hidden="true"></i></span>
        <span>Pictures</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-music" aria-hidden="true"></i></span>
        <span>Music</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-film" aria-hidden="true"></i></span>
        <span>Videos</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="far fa-file-alt" aria-hidden="true"></i></span>
        <span>Documents</span>
      </a>
    </li>
  </ul>
</div>

<div class="tabs is-centered is-boxed is-medium">
  <ul>
    <li class="is-active">
      <a>
        <span class="icon is-small"><i class="fas fa-image" aria-hidden="true"></i></span>
        <span>Pictures</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-music" aria-hidden="true"></i></span>
        <span>Music</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="fas fa-film" aria-hidden="true"></i></span>
        <span>Videos</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon is-small"><i class="far fa-file-alt" aria-hidden="true"></i></span>
        <span>Documents</span>
      </a>
    </li>
  </ul>
</div>

<div class="tabs is-toggle is-fullwidth is-large">
  <ul>
    <li class="is-active">
      <a>
        <span class="icon"><i class="fas fa-image" aria-hidden="true"></i></span>
        <span>Pictures</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon"><i class="fas fa-music" aria-hidden="true"></i></span>
        <span>Music</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon"><i class="fas fa-film" aria-hidden="true"></i></span>
        <span>Videos</span>
      </a>
    </li>
    <li>
      <a>
        <span class="icon"><i class="far fa-file-alt" aria-hidden="true"></i></span>
        <span>Documents</span>
      </a>
    </li>
  </ul>
</div>