.nav-btn {
  transition: all 0.2s ease;
}

.nav-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.nav-btn:active {
  transform: translateY(0px) scale(0.97);
}

.nav-btn.active {
  box-shadow: 0 0 0 2px rgba(255,255,255,0.6);
  transform: translateY(-1px);
  filter: brightness(1.08);
}/* CSS Document */