body, html {
  color: white;
  background-color: black;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Open Sans', sans-serif;
  font-size: 10vh;
  height: 100vh;
}

.char {
  transition: all 0.2s ease;
  display: inline-block;
  vertical-align: bottom;
  margin: 0 -2px;
  padding: 0 2px;
  font-weight: bold;
}

.animate {
  animation: wave 1s ease-in-out;
}

@keyframes wave {
  0%, 100% {
    transform: translateY(0);
  }
  25% {
    transform: translateY(-50%);
  }
  75% {
    transform: translateY(50%);
  }
}