.spinner {  width: 400px;  height: 400px;  background-color: #0cf;   border-radius: 100%;   -webkit-animation: scaleout 1.0s infinite ease-in-out;} @-webkit-keyframes scaleout {

  0% {     -webkit-transform: rotateX(45deg) scale(0.0);  }  100% {    -webkit-transform: rotateX(45deg) scale(1.0);    opacity: 0;  }}

<div class="spinner"></div>