.testimonials-header {
  background: rgba(7, 29, 38, 0.94);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(10px);
}

.testimonials-header .desktop-nav a,
.testimonials-header .mobile-menu summary {
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.28);
}