.center {
  margin: 0 5px;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 250px;
  margin-right: auto;
  margin-left: auto;
  transform: translate(-50%, -50%);
}

.lds-hourglass {
  margin: 0;
  position: absolute;
  top: 60%;
  left: 50%;
  margin-right: auto;
  margin-left: auto;
  transform: translate(-50%, -40%);
}
.lds-hourglass:after {
  content: ' ';
  display: block;
  border-radius: 50%;
  width: 0;
  height: 0;
  margin: 8px;
  box-sizing: border-box;
  border: 17px solid rgb(78, 2, 255);
  border-color: rgb(193, 19, 19) transparent rgb(99, 9, 9) transparent;
  animation: lds-hourglass 1.2s infinite;
}
@keyframes lds-hourglass {
  0% {
    transform: rotate(0);
    animation-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19);
  }
  50% {
    transform: rotate(900deg);
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  }
  100% {
    transform: rotate(1800deg);
  }
}