.hidden-content {
  --x: 0px;
  --y: 0px;
  --size: 5px;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: rgb(251, 156, 132);
  background: -moz-linear-gradient(
    180deg,
    rgba(251, 156, 132, 1) 0%,
    rgba(240, 102, 128, 1) 50%,
    rgba(129, 36, 112, 1) 100%
  );
  background: -webkit-linear-gradient(
    180deg,
    rgba(251, 156, 132, 1) 0%,
    rgba(240, 102, 128, 1) 50%,
    rgba(129, 36, 112, 1) 100%
  );
  background: linear-gradient(
    180deg,
    rgba(251, 156, 132, 1) 0%,
    rgba(240, 102, 128, 1) 50%,
    rgba(129, 36, 112, 1) 100%
  );
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#fb9c84",endColorstr="#812470",GradientType=1);
  color: var(--bg);
  --mask: radial-gradient(
    circle at var(--x) var(--y),
    black var(--size),
    transparent 0
  );
  -webkit-mask-image: var(--mask);
  mask-image: var(--mask);
  pointer-events: none;
  visibility: hidden;
}