:root {
  --loading-grey: #0e0430;
}

.loading-img {
  border-radius: 6px;
  overflow: hidden;
  object-fit: cover;
}
.movie-card__thumb {
  position: relative;
}
.thumb_overlay {
  position: absolute;
  content: "";
  height: 100%;
  width: 100%;
  left: 0;
  top: 0;
  box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.12);
  background-color: var(--loading-grey);
  background: linear-gradient(
      100deg,
      rgba(255, 255, 255, 0) 40%,
      rgba(0, 0, 0, 0.2) 50%,
      rgba(255, 255, 255, 0) 60%
    )
    var(--loading-grey);
  background-size: 200% 100%;
  background-position-x: 180%;
  animation: 3s loading ease-in-out infinite;
}

@keyframes loading {
  to {
    background-position-x: -20%;
  }
}