html,body {
    background-color: #303030;
    height:100%;
    width:100%;
}

.center {
    align-items: center;
    display: flex;
    justify-content: center;
    height: 100%;
    width: 100%;
}

.spinner {
  width: 70px;
  text-align: center;
}

.spinner > div {
  width: 12px;
  height: 12px;
  background-color: #FFFFFF;

  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);
  }
}