html, body {
  width: 100%;
  height: 100%;
}

.spinner {
  margin: 50% auto;
  width: 90px;
  height: 90px;
  position: relative;
  text-align: center;

  -webkit-animation: rotate 2.0s infinite linear;
  animation: rotate 2.0s infinite linear;
}

.dot1,
.dot2 {
  width: 60%;
  height: 60%;
  display: inline-block;
  position: absolute;
  top: 0;
  background-color: #0577BD;
  border-radius: 100%;

  -webkit-animation: bounce 2.0s infinite ease-in-out;
  animation: bounce 2.0s infinite ease-in-out;
}

.dot2 {
  top: auto;
  bottom: 0px;
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}

@-webkit-keyframes rotate {
  100% {
    -webkit-transform: rotate(360deg)
  }
}

@keyframes rotate {
  100% {
    transform: rotate(360deg);
    -webkit-transform: rotate(360deg)
  }
}

@-webkit-keyframes bounce {

  0%,
  100% {
    -webkit-transform: scale(0.0)
  }

  50% {
    -webkit-transform: scale(1.0)
  }
}

@keyframes bounce {

  0%,
  100% {
    transform: scale(0.0);
    -webkit-transform: scale(0.0);
  }

  50% {
    transform: scale(1.0);
    -webkit-transform: scale(1.0);
  }
}