.wavewrapper {
  width: 80%;
  height: 60%;
  position: absolute;
  left: 30%;
  top: 80%;
  transform: translate(-50%, -50%);
  border-radius: 5px;
  overflow: hidden;
}

.waveflow {
  width: 70%;
  height: 1030px;
  position: absolute;
  top: 50%;
  margin-left: 20%;
  border-radius: 35%;
  background: rgba(255, 255, 255, .75);
  animation: waveflow 40s infinite linear;
}

@keyframes waveflow {
  from {
    transform: rotate(0deg);
  }
  from {
    transform: rotate(360deg);
  }
}