#viewerContainer::after {

    content: "Drag & drop a PDF here";

    position: absolute;
    top: 60%;
    left: 50%;
    transform: translateX(-50%);
    
    font-size: 16px;
    color: #6c757d;
    font-family: sans-serif;

    pointer-events: none;

}



#viewerContainer:has(.page)::after {
    display: none;
}