urger-checkbox {
  display: none;
}

#burger-checkbox:checked + .burger span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

#burger-checkbox:checked + .burger span:nth-child(2) {
  opacity: 0;
  transform: translateX(-20px);
}

#burger-checkbox:checked + .burger span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

</style>
    