I'm in the process of creating a menu with multiple items and sub-items. I'd like to have a scroll bar appear alongside the items if they become too numerous. The same goes for sub-menus and so forth.
Check out this example to see what I mean.
The issue I'm facing is that it's displaying a horizontal scroll bar when there are more child items within a sub-menu. I only want to show a vertical scroll bar, and I also want the sub-menus to pop out.
Here's the link to the CSS I'm using.