Bulma class: .section

<section class="section">
    <div class="container">
      <h1 class="title">Section</h1>
      <h2 class="subtitle">
        A simple container to divide your page into <strong>sections</strong>, like the one you're currently reading
      </h2>
    </div>
  </section>

Preview

Section

A simple container to divide your page into sections, like the one you're currently reading

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