html,
body.pdf-viewer-page {
    width: 100%;
    height: 100%;
    min-height: 100%;
    margin: 0;
    overflow: hidden;
    background: #f9f9f9;
}

.pdf-viewer-frame {
    position: fixed;
    inset: 0;
    display: block;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    margin: 0;
    border: 0;
}