Scrolling the page is done by moving the mouse wheel on the navigation

Our website, built with Twitter Bootstrap, features a dropdown menu with a height of 500px. However, we've noticed an issue in WebKit browsers - when using the scroll wheel on the mouse while hovering over the menu, the page scrolls instead of the menu itself. While Firefox performs better, it still occasionally experiences the same scrolling behavior.

To test this issue, visit the "General Policies" menu item:

https://i.sstatic.net/YzrYC.png

We are looking for a solution to ensure that when the mouse hovers over the menu, it gains focus and allows the scroll wheel to navigate the menu content rather than scrolling the entire page. Any suggestions?

Answer №1

including

overflow-y: auto;

in the CSS for .dropdown-menu enables me to scroll using a mouse wheel in Chrome (a webkit browser)

Answer №2

If you apply overflow-y: auto, that should resolve the issue. However, the root cause seems to be the z-index value. Adjust the z-index value for:

nav .dropdown-menu {
  z-index: 99999;
} 

After making this change, the problem should be fixed.

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