.lds-facebook {
      display: none;
      position: relative;
      width: 80px;
      height: 80px;
}

body.loading .lds-facebook {
      display: inline-block;
}

.lds-facebook div {
      display: inline-block;
      position: absolute;
      left: 8px;
      width: 16px;
      background: #333;
      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: 0s;
}

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

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