#nav-menu {
  display: none;
  position: absolute;
  right: 30px;
  width: 30px;
  cursor: pointer;
}
#nav-menu > span {
  display: block;
  width: 30px;
  height: 1px;
  border-radius: 9999px;
}
#nav-menu > span:not(:last-child) {
  margin-bottom: 8px;
}
#nav-menu,
#nav-menu > span {
  transition: all 0.4s ease;
}
#nav-menu.active {
  transition-delay: 0.8s;
  transform: rotate(45deg);
}
#nav-menu.active > span:nth-child(2) {
  width: 0;
}
#nav-menu.active > span:nth-child(1),
#nav-menu.active > span:nth-child(3) {
  transition-delay: 0.4s;
  background-color: white;
}
#nav-menu.active > span:nth-child(1) {
  transform: translateY(9px);
}
#nav-menu.active > span:nth-child(3) {
  transform: translateY(-9px) rotate(90deg);
  background-color: white;
}