body {
  background-size: cover;
}

h1 {
  display: inline-block;
  position: absolute;
  left: 50%;
  top: 50%;
  width: 50px;
  height: 50px;
  margin: -45px -90px;
  text-align: center;
  text-transform: uppercase;
  font-family: "Rationale", sans-serif;
  font-size: 12px;
  color: #000000;
  line-height: 12px;
  perspective: 10px;
}
h1 span {
  display: inline-block;
  border: 2px solid #fff;
  padding: 10px;
}
h1 .left {
  padding-right: 0;
  border-right-width: 0;
  transform: rotateY(-25deg) translateX(5.18461%);
}
h1 .right {
  padding-left: 0;
  border-left-width: 0;
  transform: rotateY(25deg) translateX(-5.18461%);
}
h1:hover {
  -webkit-animation: anim 2s ease 0s infinite;
          animation: anim 2s ease 0s infinite;
}

@-webkit-keyframes anim {
  25% {
    perspective-origin: 50% 100%;
  }
  75% {
    perspective-origin: 50% 0%;
  }
}

@keyframes anim {
  25% {
    perspective-origin: 50% 100%;
  }
  75% {
    perspective-origin: 50% 0%;
  }
}