.tx-magaloneflipbook a.flipbook-thumbnail img {
    max-width: 150px;
    height: auto;
}
#reader-container .content .pages .overlayer .page .overlay.open .content {
    opacity: 1;
    pointer-events: all;
    overflow-y: auto;
}

@media (max-width: 600px) {
  .ctrl.btn.fullscreen.off {
      display: none;
  }
}