html {
  height: 100%
}

.center {
  position: absolute;
  left: 50%;
  top: 50%;

}

.spinner {
  margin: 100px auto 0;
  width: 70px;
  text-align: center;
}

.spinner>div {
  width: 18px;
  height: 18px;
  background-color: #e8e8e8;

  border-radius: 100%;
  display: inline-block;
  -webkit-animation: sk-bouncedelay 1.4s infinite ease-in-out both;
  animation: sk-bouncedelay 1.4s infinite ease-in-out both;
}

.spinner .bounce1 {
  -webkit-animation-delay: -0.32s;
  animation-delay: -0.32s;
}

.spinner .bounce2 {
  -webkit-animation-delay: -0.16s;
  animation-delay: -0.16s;
}

@-webkit-keyframes sk-bouncedelay {

  0%,
  80%,
  100% {
    -webkit-transform: scale(0)
  }

  40% {
    -webkit-transform: scale(1.0)
  }
}

@keyframes sk-bouncedelay {

  0%,
  80%,
  100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }

  40% {
    -webkit-transform: scale(1.0);
    transform: scale(1.0);
  }
}