Slider is broken in the last updated theme (v 3.3.3) with WordPress 5.5 version

After the update of Worpress to 5.5 version and the update of Catch Everest free WP Theme (3.3.3 version), the Slider is broken. The title of the last article overlaps in the top left corner of the main page. The correct slider does not appear. The only way to skip the problem is to disabilitate the slider. Best