Bootstrap class: .h*.card-header

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<div class="card">
  <h3 class="card-header">Featured</h3>
  <div class="card-body">
    <h4 class="card-title">Special title treatment</h4>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
</div>

Preview

Featured

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

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