#title-logo {
    height: calc(var(--bs-navbar-brand-font-size) + 2 * var(--bs-navbar-brand-padding-y));
    background-color: whitesmoke;
    margin-right: 1em;
}

main, footer {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1em;
}

footer {
    border-top: darkgray 1px solid;
    font-size: smaller;
}

footer > p {
    padding: 0 1em;
    margin: 0;
    color: darkgray;
}

@media (min-width: 992px) {
    main, footer {
        padding: 1em 1em;
    }
}