<https://divisoup.com/q18-floating-publish-button-in-divi-without-a-plugin/>

//Floating publish button
add_action('admin_head', 'hws_floating_publish');
function hws_floating_publish() {
echo '<style>
#submitdiv {
position: sticky;
top: 32px;
z-index: 9999;
}
</style>';
}
Code language: HTML, XML (xml)