animations.css

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

  to {
    transform: rotate(360deg);
  }
}
@keyframes fill {
  from {
    top: 90%
  }
  to {
    top: 10%
  }
}

.fu-inner {
  position: absolute;
  overflow:hidden;
  border-radius: 50% !important;
}

.water {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  transition: all 1s ease;
  -webkit-transition: all 1s ease !important;
  left: -50%;
  top: 50%;
  border: 1px solid transparent;
  border-radius: 40% !important;
  animation-duration: 10s;
  animation-name: spin;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}