ro-3HS6YOU4">.main-content</code>, <code class="astro-3HS6YOU4">.main-footer</code> elements can be placed randomly in
                      <code class="astro-3HS6YOU4">.app-main</code>.
                      <code class="astro-3HS6YOU4">.main-heading</code> and <code class="astro-3HS6YOU4">.main-footer</code> are
                      <u class="astro-3HS6YOU4">not required</u>. Also <code class="astro-3HS6YOU4">.main-heading</code> and <code class="astro-3HS6YOU4">.main-footer</code> can be used multiple.