.stf__parent{position:relative;display:block;box-sizing:border-box;transform:translateZ(0);-ms-touch-action:pan-y pinch-zoom;touch-action:pan-y pinch-zoom}.stf__parent.--lock-touch-scroll{-ms-touch-action:pinch-zoom;touch-action:pinch-zoom}.stf__wrapper{position:relative;width:100%;box-sizing:border-box}.stf__block{position:absolute;width:100%;height:100%;box-sizing:border-box;perspective:2000px;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-user-drag:none;user-drag:none}.stf__item{visibility:hidden;position:absolute;transform-style:preserve-3d}.stf__item.--shown{visibility:visible}.stf__item::before{content:"";position:absolute;inset:0;z-index:-1;background-color:#fff;background-image:linear-gradient(var(--stf-paper,#fff),var(--stf-paper,#fff));pointer-events:none}.stf__outerShadow,.stf__innerShadow,.stf__hardShadow,.stf__hardInnerShadow{position:absolute;left:0;top:0}[data-flipbook-kb]:focus{outline:none}[data-flipbook-kb]:focus-visible{outline:2px solid #2563eb;outline-offset:2px}[data-flipbook-controls]:focus-within{position:static!important;width:auto!important;height:auto!important;margin:0!important;overflow:visible!important;clip:auto!important;clip-path:none!important;white-space:normal!important}