.preloader__bounce {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 3px;
  background-color: #333;
  border-radius: 100%;
  animation: preloaderBounce 1.4s infinite ease-in-out both;

  &:first-child {
    animation-delay: -.32s;
  }

  &:nth-child(2) {
    animation-delay: -.16s;
  }

  &:last-child {
    margin-right: 0;
  }

  @keyframes preloaderBounce {
    0% {
      transform: scale(0);
    }

    40% {
      transform: scale(1);
    }

    80%, 100% {
      transform: scale(0);
    }
  }
}