/* Achtergrond submenu wit */
.wp-block-navigation__submenu-container {
  background-color: #fff !important;
}

/* Tekst in submenu zwart */
.wp-block-navigation__submenu-container a {
  color: #000 !important;
}

/* Optioneel: hoverkleur submenu-links */
.wp-block-navigation__submenu-container a:hover {
  color: #444 !important; /* pas aan naar jouw accentkleur */
}

/* Zorg dat ook in mobiel de achtergrond wit is */
.wp-block-navigation__responsive-container,
.wp-block-navigation__responsive-container .wp-block-navigation__submenu-container {
  background-color: #fff !important;
  color: #000 !important;
}