*Steps to reproduce:*
# Open a Unity project
# Open the lighting window via Window > Rendering > Lighting
# At the top right of the window, hover over the toolbar icons (Reference Question Mark icon and Settings Cog icon)

*Actual results:* The Hover behaviour is barely noticeable unless you look really closely: 

!image-2024-09-30-10-30-38-789.png!

*Expected results:* The Hover behaviour is noticeable and the user can see the background lighten up: 

!image-2024-09-30-10-31-58-927.png!

*Reproducible with versions:* 6000.0.22f1, 6000.0.7f1

*Not reproducible with versions:* 6000.0.6f1, 2022.3.48f1, 2021.3.44f1, 7000.0.0a3

*Can’t test with versions:* - 

*Tested on (OS):* Windows 10/11

*Notes:* 
* At first, I thought the Hover behaviour was completely broken as it is so hard to see.