/*
    https://css-tricks.com/pure-css-horizontal-scrolling/
*/
.single_page_embed {
    height: 90%;
    width: 100%;
    display: inline-block;
    margin: 0 auto;
}
.single_page_div {
    display: block;
    padding: 1px;
    transform: rotate(90deg) translateX(500px); /* translateY(-2px) */
    transform-origin: right top;

    height: 500px;
    width: 500px;
    text-align: center;
}

#btn-group-download {
    width: 100%;
    margin-top: 1em;
    display: none;
}
#btn_download_complete, #btn_download_singel_pages {
    width: 50%;
}
#overview-wrapper {
    width: 100%;
}
#page_overview {
    display: block;
    top: 0;
    left: 0;
    width: 500px;
    margin: 0;
    padding-top: 5px;
    overflow-y: auto;
    overflow-x: hidden;
    transform: rotate(-90deg) translateY(-500px);
    transform-origin: right top;
    /* border: 0.1em solid darkcyan; */
}