.reader-wrapper{background:#333;flex-direction:column;align-items:center;width:100%;height:90vh;display:flex;overflow:hidden}.reader-toolbar{z-index:100;background:#333;position:relative}.reader-toolbar button{cursor:pointer}#pageInfo{color:#fff;text-align:center;min-width:80px}#flipbook-container{flex:1;justify-content:center;align-items:center;display:flex;overflow:auto}#flipbook{width:900px;height:650px;transition:transform .3s}