:root {
  --bu: rgb(0, 55, 97);
  --w: #FFFFFF;
  --art: #679873;
}

.drop {
  height: 60px;
}

.wave {
  position: absolute;
  top: 50%;
  left: 48%;
  width: 6px;
  height: 6px;
  background: transparent;
  border: .01em solid white;
  border-radius: 50%;
}

.w1 {
  animation: splash 3s cubic-bezier(.7, .03, .8, .32) infinite;
}

.w2 {
  animation: splash 3s cubic-bezier(.7, .03, .8, .32) infinite;
  animation-delay: 1.4s;
}

@keyframes splash {
  0% {
    opacity: 0;
  }
  50% {
    opacity: .2;
  }
  100% {
    opacity: 0;
    transform: scale(240);
  }
}