.lds-facebook {
      display: inline-block;
    position: absolute;
    top: 50%;
    width: 80px;
    left: 50%;
    height: 80px;
    transform: translate(-50%, -50%);
}
.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;
  }
}
.lodaer_mask{

	position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    display: none;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #33333380;
    outline: 0;
    transition: opacity .15s linear;
    
}