/* Ads in Bottom of Article */
.jeg_ad.jeg_article.jnews_article_bottom_ads div#yandex_rtb_R-A-1221351-5 {
    max-width: calc(100%/4);
    float:left;
    border: 1px solid red;
    margin:10px;
    margin-left: calc(100%/10);
}

.jeg_ad.jeg_article.jnews_article_bottom_ads div#yandex_rtb_R-A-1221351-6,
.jeg_ad.jeg_article.jnews_article_bottom_ads div#yandex_rtb_R-A-1221351-3 {
    max-width: calc(100%/4);
    float: left;
    border: 1px solid red;
    margin:10px;
}