.pdf-viewer {
    width: 100%;
    max-width: 1200px;
    height: 800px;
    border: 0;
    display: block;
    margin: 0 auto;
}

/* Hide PDF on mobile */
@media (max-width: 767px) {
    .pdf-viewer,
    .pdf-heading {
        display: none;
    }
}