.lds-grid {
  display: inline-block;
  position: relative;
  width: 80px;
  height: 80px;
}
.lds-grid div {
  position: absolute;
  width: 20%;
  height: 20%;
  border-radius: 50%;
  background: #fff;
  animation: lds-grid 1.2s linear infinite;
}
.lds-grid div:nth-child(1) {
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}
.lds-grid div:nth-child(2) {
  top: 10%;
  left: 40%;
  animation-delay: -0.4s;
}
.lds-grid div:nth-child(3) {
  top: 10%;
  left: 70%;
  animation-delay: -0.8s;
}
.lds-grid div:nth-child(4) {
  top: 40%;
  left: 10%;
  animation-delay: -0.4s;
}
.lds-grid div:nth-child(5) {
  top: 40%;
  left: 40%;
  animation-delay: -0.8s;
}
.lds-grid div:nth-child(6) {
  top: 40%;
  left: 70%;
  animation-delay: -1.2s;
}
.lds-grid div:nth-child(7) {
  top: 70%;
  left: 10%;
  animation-delay: -0.8s;
}
.lds-grid div:nth-child(8) {
  top: 70%;
  left: 40%;
  animation-delay: -1.2s;
}
.lds-grid div:nth-child(9) {
  top: 70%;
  left: 70%;
  animation-delay: -1.6s;
}
@keyframes lds-grid {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}