@media (max-width: 800px) {
  .book { display:flex; height:auto; min-height:70vh; overflow-x:auto; scroll-snap-type:x mandatory; }
  .page.active, .book.mobile-left .page.right.active { display:block; min-width:100%; min-height:70vh; border-radius:10px!important; padding:50px 42px; scroll-snap-align:start; }
}