<div class="container">
  <div class="coast">
    <div class="wave-rel-wrap">
      <div class="wave"></div>
    </div>
  </div>
  <div class="coast delay">
    <div class="wave-rel-wrap">
      <div class="wave delay"></div>
    </div>
  </div>
  <div class="text text-w">b</div>
  <div class="text text-a">o</div>
  <div class="text text-v">g</div>
  <div class="text text-e">d</div>
</div>
*, *:before, *:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

@import url('https://fonts.googleapis.com/css?family=Muli');
$textDur: 1050ms;
$waveDur: 2100ms;

html, body {
  font-size: 62.5%;
  background-color: #00091B;
  font-family: 'Muli', Helvetica, sans-serif;
}

.container {
  position: absolute;
  width: 17rem;
  height: 10rem;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.text {
  color: #fff;
  font-size: 6rem;
  font-weight: 900;
  display: inline-block;
  position: absolute;
  bottom: 0;
  animation: text $textDur ease-in infinite;
  transform: translatez(0);
  &-w {
    left: 0rem;
    transform: translate3d(0, -4rem, 0);
    animation: text-w $textDur ease-in infinite;
  }
  &-a {
    left: 5.4rem;
    animation-delay: 150ms;
  }
  &-v {
    left: 9.6rem;
    animation-delay: 230ms;
  }
  &-e {
    left: 13rem;
    animation-delay: 310ms;
  }
}

.coast { // wave: translate-x
  position: absolute;
  left: 1.3rem;
  bottom: 1.7rem;
  width: 6.2rem;
  height: 2.2rem;
  display: inline-block;
  animation: coast $waveDur linear infinite;
  transform: translateZ(0);
}

.wave-rel-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  perspective: 3rem;
  perspective-origin: 0%, 50%;
}

.wave { // wave: width && scale && rotate 
  position: absolute;
  width: 6.2rem;
  height: 2.2rem;
  border-radius: 1.1rem;
  background: radial-gradient(ellipse at center, rgba(116, 241, 252, 1) 0%, rgba(50, 230, 255, 1) 73%, rgba(21, 199, 250, 1) 100%);
  display: inline-block;
  animation: wave $waveDur linear infinite;
  will-change: width;
  transform: translateZ(0) scale(0);
}

.delay {
  animation-delay: $waveDur / 2;
}

@keyframes text {
  0% {
    transform: translate3d(0, 0, 0);
  }
  30% {
    transform: translate3d(0, 0, 0);
  }
  45% {
    transform: translate3d(0, -4rem, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes text-w {
  0% {
    transform: translate3d(0, -4rem, 0);
  }
  38% {
    transform: translate3d(0, -4rem, 0);
  }
  69% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(0, -4rem, 0);
  }
}

@keyframes coast {
  0% {
    transform: translate3d(0, 0, 0);
  }
  23% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(16rem, 0, 0);
  }
  100% {
    transform: translate3d(16rem, 0, 0);
  }
}

@keyframes wave {
  0% {
    transform: scale(0);
    width: 2.2rem;
  }
  10% {
    transform: scale(1);
  }
  23% {
    width: 2.2rem;
  }
  32% {
    width: 6.1rem;
  }
  42% {
    width: 5rem;
    transform: rotateY(0deg) scale(1, 1);
  }
  51% {
    transform: rotateY(90deg) scale(0.6, 0.2);
  }
  52% {
    transform: rotateY(90deg) scale(0);
  }
  100% {
    transform: rotateY(90deg) scale(0);
  }
}

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