By default, the platform does not have this option. You can use the following CSS code.
Please follow the steps below:
1. Go to BuddyBoss > Theme Options
2. Under Custom Codes, enable CSS
3. Append the following:
.bb-template-v2 .site-header #primary-navbar .menu-item > .ab-submenu .bb-sub-menu .menu-item a:hover {
background: #FFEBC2;
}
4. Save changes.