style/normal_window.css

@media(min-width: 800px) {
    div[data-testid="stMainBlockContainer"] {
        padding-left: 5rem;
        padding-right: 5rem;
    }

    div[data-testid="stBottomBlockContainer"] {
        padding-left: 5rem;
        padding-right: 5rem;
    }
}


@media(min-width: 800px) and (min-height: 800px) {
    div[class="main-intro-small-window"] {
        display: none;
    }
}