#main-books {
    background: var(--color-badge);
    padding-top: 20px;
}
#main-books .main-books__title {
    font-weight: 600;
    font-size: 24px;
    line-height: 26px;
    letter-spacing: -.01em;
    margin-bottom: 10px;
}
#main-books .row {
    --bs-gutter-x: 20px;
}
#main-books .main-books__book {
    margin-bottom: 20px;
}

@media (max-width: 991.98px) {

    #main-books {
        padding-top: 60px;
    }
    #main-books .main-books__title {
        font-size: 20px;
        line-height: 24px;
        margin-bottom: 10px;
    }
    #main-books .main-books__book {
        margin-bottom: 15px;
    }
    #main-books .row {
        --bs-gutter-x: 15px;
    }

}