.mainreview-item-review {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 7;
}

.mainreview-item-review.is-expanded {
    display: block;
    overflow: visible;
    -webkit-line-clamp: unset;
}

.mainreview-more[hidden] {
    display: none;
}