* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
  background: #140032;
  position: relative;
}

.container {
  position: relative;
}

/* generated span from JS file */
.container span {
  position: relative;
  color: #fff;
  font-size: 2em;
  display: inline-block;
  animation: wavy 2s ease-in-out infinite;
  animation-delay: calc(0.1s * var(--i));
  font-family: cursive;
  width: 24px;
}

@keyframes wavy {
  0%,
  40%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-50px);
  }
}