.header_view {
    border: none;
    z-index: 2;
    background: #fff;
    position: relative;
    display: flex;
    justify-content: space-between;
    margin-bottom: 0;
    min-height: 0;
}
#pdfCanvasContainer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: hidden;
}
.header_view a {
    display: inline-block;
    padding: 20.5px 15px;
    color: #5d5d5d;
    font-size: 13px;
}
#pdfCanvasContainer iframe {
    width: 100%;
    height: 100%;
    padding-top: 64px;
    border: none;
}