/* Outside the paper rims, the darkened stream creates a black backdrop. */
.paper-3d-canvas{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  z-index:2;
  display:block;
  opacity:0;
  pointer-events:none;
}
.paper-3d-canvas[hidden]{display:none}
.is-ready .paper-3d-ready{background:transparent}
.is-ready .paper-3d-ready .paper-3d-canvas{opacity:1}
.is-ready .paper-3d-ready .paper-world{visibility:hidden}
.is-ready .paper-3d-ready .paper-grain{display:none}
.is-ready .paper-3d-ready .drop-mark{visibility:hidden}
@media(prefers-reduced-motion:reduce){
  .paper-3d-canvas{display:none!important}
  .is-ready .paper-3d-ready .paper-world{visibility:visible}
}