.sk-spinner-scaleout {
  width: 40px;
  height: 40px;
  text-align: center;
  margin: 100px auto;
  border-radius: 100%;
  -webkit-animation: sk-scaleout 1s infinite ease-in-out;
  animation: sk-scaleout 1s infinite ease-in-out;
}
.sk-spinner-scaleout div {
  background-color: #333;
  height: 100%;
  width: 100%;
  display: inline-block;
}
@-webkit-keyframes sk-scaleout {
  0% {
    -webkit-transform: scale(0);
  }
  100% {
    -webkit-transform: scale(1);
    opacity: 0;
  }
}
@-moz-keyframes sk-scaleout {
  0% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 0;
  }
}
@-webkit-keyframes sk-scaleout {
  0% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 0;
  }
}
@-o-keyframes sk-scaleout {
  0% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 0;
  }
}
@keyframes sk-scaleout {
  0% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 0;
  }
}