Empty space, where the slider should be - Wordpress, header-footer
– Empty space, where the slider should be.
– Slides are under each other.
Make sure, that your header.php file of your theme has this code in it:
and that your footer.php has this:
Also it is pretty common, that in the footer.php one of the endings are missing:
If you can see in the source code of your website, that those ending tags are missing, but it is in your theme, check out this part of the documentation.