.lds {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
.lds__ring {
  width: 51px;
  height: 51px;
  animation: lds-ring 6s linear infinite;
}
.lds__ring div {
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  display: block;
  position: absolute;
  width: 51px;
  height: 51px;
  border: 4px solid #2196F3;
  border-radius: 50%;
  animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  border-color: #2196F3 transparent transparent transparent;
}
.lds__ring div:nth-child(1) {
  animation-delay: -0.45s;
}
.lds__ring div:nth-child(2) {
  animation-delay: -0.3s;
}
.lds__ring div:nth-child(3) {
  animation-delay: -0.15s;
}
@keyframes lds-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}