#menuToggle span
{
  display: flex;
  width: 32px;
  height: 3px;
  top: 16px;
  left: 90vw;
  margin-bottom: 7px;
  position: relative;
  z-index: 1;
  transform-origin: 5px 0px;
  transition: transform 0.5s cubic-bezier(0.77,0.2,0.05,1.0),
              background 0.5s cubic-bezier(0.77,0.2,0.05,1.0),
              opacity 0.55s ease;
}


#menuToggle span:nth-last-child(2)
{
  transform-origin: 0% 100%;
}

#menuToggle input:checked ~ span
{
  opacity: 1;
  transform: rotate(45deg) translate(-1px, 3px);
  background: #000000;
}
#menuToggle input:checked ~ span:nth-last-child(3)
{
  opacity: 0;
  transform: rotate(0deg) scale(0.2, 0.2);
}

#menuToggle input:checked ~ span:nth-last-child(2)
{
  transform: rotate(-45deg) translate(0, -1px);
}

#menu
{
  -webkit-font-smoothing: antialiased;
  transform: translate(100%, 0);
  transition: transform .5s cubic-bezier(.5,.2,.05,1.0);
}

#menu li
{
  transition-delay: 2s;
}

#menuToggle input:checked ~ ul
{
  transform: none;
}