/* #book-pages-container {
  position: relative;
}

.overlay {
  position: absolute;
  width: calc(var(--scale) * 25svw);
  height: calc(var(--scale) * 19svw);
  border: calc(var(--scale) * 1.5svw) solid red;
  border-radius: calc(var(--scale) * 3svw);
  pointer-events: none;
  transition: top 0.3s ease, left 0.3s ease;
} */