.menu a {
    color: #FFFFFF;
}

.menu a:hover {
    color: #1779ba;
}
.is-dropdown-submenu-parent {
    background-color: transparent;
}
.is-drilldown-submenu-parent {
    background-color: rgba(33,33,33,0.85);
}

.nested.vertical.menu {
    background-color: rgba(33,33,33,0.85);
    border: none;
}

.drilldown a {
    background-color: rgba(33,33,33,0.85);
}