body{margin:0;}
.outer{
  position:absolute;
  display:table;
  width:100%;
  height:100%;
  background:rgb(14, 14, 14);
  color:rgba(255, 255, 255, 0.822);
  font-family:"Courier New", Courier, monospace;
}
.inner{
  display: table-cell;
  vertical-align: middle;
  text-align: center;
  font-size:0;
  padding:0 20px;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0%,
    rgba(255, 255, 255, 0.05) .5%,
    transparent 0.8%
  );

  animation: fudge 7s ease-in-out alternate infinite;
}
.item{
  display:inline-block;
  vertical-align:middle;
  font-size:16px;
  text-align:center;
  margin:0 15px 0px;
}
.item2{
  display:inline-block;
  vertical-align:middle;
  font-size:12px;
  text-align:left;
  margin:0 15px 0px;
}
.item21{
  display:inline-block;
  vertical-align:middle;
  font-size:125px;
  text-align:left;
}
.item3{
  display:inline-block;
  vertical-align:middle;
  color:rgb(199, 0, 0);
  font-size:16px;
  text-align:middle;
  margin:0 2px 0px;
  opacity:0.4;
  font-weight: bold;
}

.item.bin-on .letter{
  display:none;
}
.item.bin-on .binary{
  display:block;
}
.item.bin-off .letter{
  display:block;
}
.item.bin-off .binary{
  display:none;
}
.item .letter{
  font-size:144px;
}
.item .binary{
  font-size:0;
}
.item .binary span{
  display:inline-block;
  vertical-align:middle;
  font-size:16px;
  margin:0 1px;
  opacity:0;
	animation: moveup 1s cubic-bezier(0.2, 0.3, 0.25, 0.9) alternate infinite;
}
@keyframes moveup {
  0% {
    opacity:0;
    transform: translateY(30px);
  }
  100% {
    opacity:1;
  }
}
.item .binary span:nth-of-type(2) {
  animation-delay: .3s;
}
.item .binary span:nth-of-type(3) {
  animation-delay: .6s;
}
.item .binary span:nth-of-type(4) {
  animation-delay: .9s;
}
.item .binary span:nth-of-type(5) {
  animation-delay: 1.2s;
}
.item .binary span:nth-of-type(6) {
  animation-delay: 1.5s;
}
.item .binary span:nth-of-type(7) {
  animation-delay: 1.8s;
}
.item .binary span:nth-of-type(8) {
  animation-delay: 2.1s;
}

.menu-trigger {
  cursor: pointer;
  position: fixed;
  padding: 1rem;
  top: 0;
  right: 0;
  z-index: 100;
  color: white;
  transform: rotate(225deg);
  transition: all 350ms ease;
}
.menu-trigger.open {
  color: white;
  transform: rotate(0deg);
}

header {
  width: 100%;
  height: 100vh;
  float: left;
  font-size: 1rem;
  line-height: 1;
  letter-spacing: 10px;
  font-weight: 700;
  text-transform: uppercase;
  display: flex;
  justify-content: center;
  align-items: center;
  background: yellow;
}
@media (min-width: 500px) {
  header {
    font-size: 2rem;
  }
}
header .display-block {
  display: block;
}