:root {
  --sp-color: #a9a9a9;
}

.outer {
  display: table;
  position: absolute;
  width: 93%;
  padding: 3%;
  height: 91%;
}

.spinner {
  margin: 10% auto 0;
  width: 70px;
  text-align: center;
}

.spinner > div {
  width: 18px;
  height: 18px;
  background-color:var(--sp-color);;
  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);
  }
}