.block-container__list,
.news-block__news {
    display: block;
}

.block-container__list__item,
.news-block__news__item {
    display: block;
    float: left;
    width: 20%;
}

.news-block__news__item {
    width: 33%;
}

.landing-page .news-block__news__item,
.content-page .news-block__news__item {
    width: 50%;
}