:root {
  font-size: 120%;
  font-family: 'Antarctica Trial';
}
body {
  height: 100vh;
  display: block;
  justify-items: center;
  align-content: center;
  overflow: hidden;
  margin: 0;
}
h1{
  color: black;
  font-size: 16.1rem;
  line-height: 0.73;
  animation: my-MAM 3s infinite alternate;
  margin: 0;
  padding: 0;
}
@keyframes my-MAM {
  from {
    font-variation-settings: 'wdth' 1,'wght' 200;
  }
  to {
    font-variation-settings: 'wdth' 3,'wght' 900;
  }
}
#o {
  font-size: 22.6rem;
  line-height: 0;
  animation: my-o 3s infinite alternate;
  margin: -0.25rem;
}
@keyframes my-o {
  from {
    font-variation-settings: 'wdth' 1,'wght' 100;
  }
  to {
    font-variation-settings: 'wdth' 3,'wght' 600;
  }
}

div {
  font-size: 1.2rem;
  font-weight: 200;
}
.all {
  position: fixed;
  left: 2vw;
  top: 94vh;
}
.prev {
  position: fixed;
  left: 44vw;
  top: 94vh;
}
.next {
  position: fixed;
  right: 2vw;
  top: 94vh;
}
a {
  color: blue;
  text-decoration: none;
}
a:hover {
  text-decoration: underline 0.1rem;
}