.spinner > div {
  width: 1em;
  height: 1em;
  background-color: currentColor;
  margin: 0 0.2em;
  border-radius: 100%;
  display: inline-block;
  vertical-align: top;
  -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);
            transform: scale(0);
  }
  40% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}

@keyframes sk-bouncedelay {
  0%,
  80%,
  100% {
    -webkit-transform: scale(0);
            transform: scale(0);
  }
  40% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}