src/views/partials/chats/scroll-up-alert.tpl
<div class="position-relative">
<div component="chat/messages/scroll-up-alert" class="py-1 mt-1 position-absolute start-50 top-50 translate-middle text-sm scroll-up-alert alert alert-info d-none d-md-block text-nowrap hidden" role="button" style="z-index: 500;"><i class="fa fa-fw fa-arrow-down"></i> [[modules:chat.scroll-up-alert]]</div>
</div>