In styles of child theme or in menu Appearance — Settings — Custom code in field Custom styles add:
.top-menu li a, .top-menu .sub-menu li a, .top-menu .children li a { color: black; }
In styles of child theme or in menu Appearance — Settings — Custom code in field Custom styles add:
.top-menu li a, .top-menu .sub-menu li a, .top-menu .children li a { color: black; }