.lds-facebook {
  display: inline-block;
  position: relative;
  width: 80px;
  height: 80px;
}

  .lds-facebook div {
    display: inline-block;
    position: absolute;
    left: 8px;
    width: 16px;
    background: #fff;
    animation: lds-facebook 1.2s cubic-bezier(0, 0.5, 0.5, 1) infinite;
  }

    .lds-facebook div:nth-child(1) {
      left: 8px;
      animation-delay: -0.24s;
    }

    .lds-facebook div:nth-child(2) {
      left: 32px;
      animation-delay: -0.12s;
    }

    .lds-facebook div:nth-child(3) {
      left: 56px;
      animation-delay: 0;
    }

@keyframes lds-facebook {
  0% {
    top: 8px;
    height: 64px;
  }

  50%, 100% {
    top: 24px;
    height: 32px;
  }
}

.lds-middle {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}