To set a hover box shadow for a section, just click that specific section and then go to the “Advance Settings” by clicking the cog gear icon. After that, click the “Advance Options” button.
In the left hand corner of the screen, click “Hover” button then go to section “Box Shadow” section.
Just select in the Shadow Presets the shadow layout you prefer to use.
Then further customize it using the settings below the Shadow Presets. Go to the color section to change the color of the box shadow.
If you also want to reset the box shadow settings to default, you can do that by just clicking the reset button (refer to the screenshot below).