.bouncing-loading > div {
  width: 18px;
  height: 18px;
  background-color: #858490;
  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;
}

.bouncing-loading .span1 {
  -webkit-animation-delay: -0.32s;
  animation-delay: -0.32s;
}

.bouncing-loading .span2 {
  -webkit-animation-delay: -0.16s;
  animation-delay: -0.16s;
}

@-webkit-keyframes sk-bouncedelay {
  0%,
  100%,
  80% {
    -webkit-transform: scale(0);
  }

  40% {
    -webkit-transform: scale(1);
  }
}

@keyframes sk-bouncedelay {
  0%,
  100%,
  80% {
    -webkit-transform: scale(0);
    transform: scale(0);
  }

  40% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}