.container
  %h1 Examples
  .card
    .card-block
      <h4 class="card-title">Card title</h4>
      <h6 class="card-subtitle mb-2 text-muted">Card subtitle</h6>
      <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
      <a href="#" class="card-link">Card link</a>
      <a href="#" class="card-link">Another link</a>