.spinner {
  display: flex;
  justify-content: center;
  align-items: center;
}
.spinner > div {
  width: 16px;
  height: 16px;
  background-color: #6b7280;
  margin: 4px;
  border-radius: 100%;
  display: inline-block;
  animation: bouncedelay 1.4s infinite ease-in-out both;
}
.spinner.inverse > div {
  background-color: #ffffff;
}
.spinner .bounce1 {
  animation-delay: -0.32s;
}
.spinner .bounce2 {
  animation-delay: -0.16s;
}
@keyframes bouncedelay {
  0%, 80%, 100% {
    transform: scale(0);
  }
  40% {
    transform: scale(1);
  }
}