.big-news {
    display: flex;
    flex-wrap: wrap;
    margin-left: -35px;
    font-family: 'Helvetica ', 'Helvetica', sans-serif;
}
.big-news__item {
    width: 50%;
    padding-left: 25px;
    margin-bottom: 20px;
}
.big-news__block {
    max-width: 350px;
    margin: 0 auto;
    height: 100%;
    border-bottom: 1px solid rgb(143, 143, 143);
    display: flex;
    flex-direction: column;
}
.big-news__img {
    max-width:100%;
    padding-top: 80%;
    display: block;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
.big-news__content {
    padding: 10px 10px 15px;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.big-news__title {
    display: block;
    font-weight: 400;
    font-style: normal;
    font-size: 21px;
    line-height: 22px;
    margin-bottom: 10px;
    color: #404040;
}
.big-news__extra {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    font-weight: 700;
    font-size: 15px;
    line-height: 16px;
}
.big-news__category {

}
.big-news__date {
    flex-shrink: 0;
    margin-left: 10px;
}

.small-news {
    font-size: 14px;
    text-align: left;
    line-height: 22px;
    background: #F2F2F2;
    font-family: 'Helvetica ', 'Helvetica', sans-serif;
    padding: 10px 10px 20px;
    margin-bottom: 20px;
}
.small-news__item {
    margin-bottom: 10px;

}
.small-new__title {
    color: rgb(51, 51, 51);
    font-weight: bold;
}
.small-new__date {

}

.news {
    color: rgb(51, 51, 51);
    font-family: 'Helvetica ', 'Helvetica', sans-serif;
    margin-bottom: 20px;
}
.news__list {
    margin-bottom: 30px;
}
.news__item {
    border-bottom: 1px solid #DFDFDF;
    padding: 20px 0 10px;
}
.news__item:nth-child(3n + 4) .news__item-block{
    background: #F2F2F2;
}
.news__item-block {
    display: flex;
    padding: 10px 20px;
}
.news__item-left {
    width: 75%;
    padding-right: 10px;
}
.news__item-right {
    width: 25%;
}
.news__item-title {
    display: inline-block;
    font-weight: 700;
    font-size: 16px;
    color: rgb(51, 51, 51);
    margin-bottom: 20px;
}
.news__item-desc {
    font-size: 14px;
    line-height: 22px;
}
.news__item-category {
    font-size: 14px;
    color: rgb(75, 121, 2);
    margin-bottom: 10px;
}

.btn-block {
    text-align: center;
    background: #F2F2F2;
    padding: 10px;
}

.news-btn {
    display: inline-block;
    min-width: 188px;
    line-height: 40px;
    background-color: rgba(242, 242, 242, 1);
    border: 1px solid rgba(121, 121, 121, 1);
    border-radius: 5px;
    font-family: 'Helvetica ', 'Helvetica', sans-serif;
    color: rgb(51, 51, 51);
    font-size: 13px;
    text-align: center;
    transition: all .5s;
}
.news-btn:hover {
    background: #797979;
    color: #FFFFFF;
}

.banners__item {
    display: block;
    margin-bottom: 20px;
}
.banners img {
    max-width: 100%;
    height: auto;
}

@media screen and (max-width: 650px) {
    .big-news__item {
        width: 100%;
    }
    .news__item-block {
        display: block;
    }
    .news__item-left, .news__item-right {
        width: 100%;
    }
}