Hello,
Add the next custom CSS code:
.nav-sublist-dropdown ul li.menu-parent-item:hover>.nav-sublist {
display: block;
}
.nav-sublist-dropdown ul li.menu-parent-item>.nav-sublist {
display: none;
}
.nav-sublist-dropdown ul>li.menu-parent-item>a:after {
content: "\f105";
font-family: FontAwesome;
font-size: .92rem;
color: #b9b9b9;
position: absolute;
right: 12px;
top: 50%;
margin-top: -10px;
}
Regards