<h2 class="fw-semi-bold mb-1">Sizing</h2>
                <p>The size of <code>.placeholder</code>s are based on the typographic style of the parent element.
                  Customize them with sizing modifiers: <code>.placeholder-lg</code>, <code>.placeholder-sm</code>, or
                  <code>.placeholder-xs</code>.</p>
              </div>
              <!-- Card -->
              <div class="mb-10 card">
                <ul class="nav nav-line-bottom" id="pills-tab-sizing-placeholder" role="tablist