.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  display: none;
  backdrop-filter: blur(2px);
}

#sidebar.active ~ .menu-overlay {
  display: block;
}

@media (min-width: 769px) {
  .menu-overlay {
    display: none !important;
  }
}