.spinner div {
  width: 20px;
  height: 20px;
  position: absolute;
  left: 20px;
  top: 10px;
  background-color: #aba2a2;
  border-radius: 50%;
  animation: move 4s infinite cubic-bezier(.2,.64,.81,.23);

}
.spinner div:nth-child(2) {
  animation-delay: 150ms;
}
.spinner div:nth-child(3) {
  animation-delay: 300ms;
}
.spinner div:nth-child(4) {
  animation-delay: 450ms;
}
.spinner div:nth-child(5) {
  animation-delay: 600ms;
}

@keyframes move {
  0% {left: 0%;}
  75% {left:100%;}
  100% {left:100%;}
}