.image-content-block {
  position: relative;
  z-index: 0;
}

.image-content-block .image-content-block__preview {
  display: block;
  margin-left: auto;
  margin-right: auto;
  background-color: #fff;
  max-height: 530px;
}

.image-content-block__background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background-size: cover;
  background-position: 50% 50%;
}

.image-content-block::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  z-index: -1;
  backdrop-filter: blur(10px);
}