water waves - css

index.html

<div class="water-round-container">
  <div class="water-wave1"></div>
  <div class="water-wave2"></div>
  <div class="water-wave3"></div>
</div>

style.css

.water-round-container {
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 3px solid silver;
    text-align: center;
    line-height: 50px;
    animation: water-waves linear infinite;
  }
  .water-wave1 {
    position: absolute;
    top: 40%;
    left: -25%;
    background: #33cfff;
    opacity: 0.7;
    width: 200%;
    height: 200%;
    border-radius: 40%;
    animation: inherit;
    animation-duration: 5s;
  }

  .water-wave2 {
    position: absolute;
    top: 45%;
    left: -35%;
    background: #0eaffe;;
    opacity: 0.5;
    width: 200%;
    height: 200%;
    border-radius: 35%;
    animation: inherit;
    animation-duration: 7s;
  }

  .water-wave3 {
    position: absolute;
    top: 50%;
    left: -35%;
    background: #0f7ae4;
    opacity: 0.3;
    width: 200%;
    height: 200%;
    border-radius: 33%;
    animation: inherit;
    animation-duration: 11s;
  }

  @keyframes water-waves {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }