._df_book {
    min-height: 645px !important;
}

#singleFlipBookViewer .stargraphix-box {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 70px;
    height: 70px;
    background-color: white;
    border-radius: 50%;
    z-index: 5000;
    cursor: pointer;
    padding: 11px;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}
#singleFlipBookViewer .stargraphix-box img{
    width:100%;
    height:100%;
}