.Loader {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 14.6rem;
    margin-top: 7.3rem;
    margin-bottom: 7.3rem;
  }
  .Loader:before, .Loader:after {
    content: "";
    position: absolute;
    border-radius: 50%;
    animation-duration: 1.8s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
    filter: drop-shadow(0 0 0.7555555556rem rgba(255, 255, 255, 0.75));
  }
  .Loader:before {
    width: 100%;
    padding-bottom: 100%;
    box-shadow: inset 0 0 0 1.7rem #fff;
    animation-name: pulsA;
  }
  .Loader:after {
    width: calc(100% - 1.7rem*2);
    padding-bottom: calc(100% - 1.7rem*2);
    box-shadow: 0 0 0 0 #fff;
    animation-name: pulsB;
  }
  @keyframes pulsA {
    0% {
      box-shadow: inset 0 0 0 1.7rem #fff;
      opacity: 1;
    }
    50%, 100% {
      box-shadow: inset 0 0 0 0 #fff;
      opacity: 0;
    }
  }
  @keyframes pulsB {
    0%, 50% {
      box-shadow: 0 0 0 0 #fff;
      opacity: 0;
    }
    100% {
      box-shadow: 0 0 0 1.7rem #fff;
      opacity: 1;
    }
  }