         <pre class="astro-3HS6YOU4"><code class="astro-3HS6YOU4">&lt;body class="page-fixed main-fixed"&gt;
...
&lt;/body&gt;</code></pre>
                  <p class="astro-3HS6YOU4">
                    <code class="astro-3HS6YOU4">.main-heading</code> and <code class="astro-3HS6YOU4">.main-footer</code> elements will be fixed. Vertical scroll bar will appear on <code class="astro-3HS6YOU4">.main-content</code> element
                    <i class="astro-3HS6YOU4">when it's needed</i>.
                  <