多个CSS悬停弹出窗口可以占用单个div中的相同空间吗？

I'm trying to have text spans pop up on a hover pseudo-class for different lines in a menu (list items). I can have the pop-ups occupy the same space in the div if the menu/list is horizontal, but a vertical list places the popups at the same vertical height as the "parent" list/menu item.I'm trying to have text spans pop up on a hover