.shimmer {
  background-color: hsla(0, 0%, 85%, 0.5);
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  min-height: 1em;
}
.shimmer::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transform: translateX(-100%);
  background-image: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0,
    rgba(255, 255, 255, 0.2) 20%,
    rgba(255, 255, 255, 0.5) 60%,
    rgba(255, 255, 255, 0) 100%
  );
  animation: shimmer 3s infinite;
  content: "";
}
@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}