.l-books {
    margin-right: -17px;
}
.l-books__grid {
    margin-right: -17px;
}

.l-books__item {
    width: 212px;

    margin-right: 17px !important; // reverse the 5n+5 rule.

    transition: opacity .1s, all cubic-bezier(0.25, 1, 0.5, 1) 350ms;
}


.by-popularity {
    .l-books__item {
        order: attr(data-pop);
    }
}