Avoid unnecessary movements in the interface is basic to get a positive perception.
Steps to Reproduce
- Control Panel > Configuration > Instance Settings/Sytem Settings
- Select Documents and Media
- Select a vertical menu item
- Select a different vertical menu item
There is a hop when a vertical menu item is selected. When scrollbars show up, the wrap div re-centers itself, narrowing the content area and causing the jump.
When scrollbars show up, the wrap div does not recenter.