;
      ... (not required, can be multiple)
    &lt;/footer&gt;
  &lt;/div&gt;
&lt;/div&gt;
</code></pre>
                    </div>
                    <div class="d-flex flex-column p-3 mx-5 flex-fill astro-3HS6YOU4">
                      <div class="bg-secondary text-white h3 p-3 astro-3HS6YOU4">
                        .app-heading
                      </div>
                      <div class="bg-secondary py-4 h3 p-3 flex-fill astro-3HS6YOU4">
                        .app-container
                   