#menuToggle
{
  display: block;
  /* You can also use relative/absolute here if you want to stay on the top */
  position: absolute;
  top: 50px;
  left: 50px;
  
  z-index: 1;
  
  -webkit-user-select: none;
  -moz-user-select: none;
   -ms-user-select: none;
       user-select: none;
}

#menuToggle a
{
  text-decoration: none;
  color: light-dark(var(--dark-menu), var(--light-menu));
  border: 10px solid transparent;
  background: transparent;
  
  transition: color 0.3s ease;
}

#menuToggle a:hover
{
  color: light-dark(var(--dark-hover), var(--light-hover));
}

#menuToggle #active
{
  color: light-dark(var(--light-color), var(--dark-color));
  background: light-dark(var(--dark-menu), var(--light-menu));
}

#menuToggle input
{
  display: block;
  width: 40px;
  height: 32px;
  position: absolute;
  top: -7px;
  left: -5px;
  
  cursor: pointer;
  
  opacity: 0; /* hide this */
  z-index: 2; /* and place it over the hamburger */
  
  -webkit-touch-callout: none;
}

/*
 * Just a quick hamburger
 */
#menuToggle span
{
  display: block;
  width: 33px;
  height: 4px;
  margin-bottom: 5px;
  position: relative;
  
  background: light-dark(var(--light-menu), var(--dark-menu));
  opacity: .5;
  border-radius: 3px;
  
  z-index: 1;
  
  transform-origin: 4px 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:first-child
{
  transform-origin: 0% 0%;
}

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

/* 
 * Transform all the slices of hamburger
 * into a crossmark.
 */
#menuToggle input:checked ~ span
{
  opacity: 1;
  transform: rotate(45deg) translate(-2px, -1px);
  background: light-dark(var(--dark-menu), var(--light-menu));
}

/*
 * But let's hide the middle one.
 */
#menuToggle input:checked ~ span:nth-last-child(3)
{
  opacity: 0;
  transform: rotate(0deg) scale(0.2, 0.2);
}

/*
 * Ohyeah and the last one should go the other direction
 */
#menuToggle input:checked ~ span:nth-last-child(2)
{
  transform: rotate(-45deg) translate(0, -1px);
}

/*
 * Make this absolute positioned
 * at the top left of the screen
 */
#menu
{
  position: absolute;
  max-width: 400px;
  width: 100vw;
  max-height: 100vh;
  margin: -100px 0 0 -50px;
  padding: 50px;
  padding-top: 125px;
  box-sizing: border-box;
  overflow-y: auto;
  background: light-dark(var(--light-menu), var(--dark-menu));
  border-radius: 0px 0px 20px 0px;
  opacity: 1;
  list-style-type: none;
  -webkit-font-smoothing: antialiased;
  /* to stop flickering of text in safari */
  
  transform-origin: 0% 0%;
  transform: translate(-100%, 0);
  
  transition: transform 0.5s cubic-bezier(0.77,0.2,0.05,1.0);
}

#menu li
{
  padding: 10px 0;
  font-size: 22px;
  background: transparent;
}

#menu li label
{
  cursor: pointer;
  background: transparent;
  color: light-dark(var(--dark-color), var(--light-color));
}

#menu li label:hover
{
  color: light-dark(var(--light-hover), var(--dark-hover));
  transition: color 0.3s ease;
}
  
/*
 * And let's slide it in from the left
 */
#menuToggle input:checked ~ ul
{
  box-shadow: 0px 0px 20px black;
  transform: none;
}