Check out example codes for "bulma fullheight". It will help you in understanding the concepts better.

Code Example 1

<section class="hero is-success is-fullheight">
  <div class="hero-body">
    <div class="container">
      <h1 class="title">
        Fullheight title
      </h1>
      <h2 class="subtitle">
        Fullheight subtitle
      </h2>
    </div>
  </div>
</section>

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