body{margin:0;padding:0}#app{height:100vh;display:flex;padding:20px;background:#c3c3c3}#app,.flipbook{overflow:hidden}.flipbook{height:85vh;width:100vw}.nav{z-index:40;position:fixed;bottom:20px;width:100%}.actions{height:40px;display:flex;width:140px;background:#2a2a2a;margin:0 auto;border-radius:5px}button{cursor:pointer;margin:0 3px;background:transparent;border:0;color:#fff}.page-num{width:100px;text-align:center;color:#fff;padding:10px}