.desktop-only-message {
    display: none; /* Hidden by default */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    color: white;
    font-size: 1.5em;
    text-align: center;
    padding-top: 20%;
    z-index: 9999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}