.wrap_news{width: 100%;}
.wrap_news .wrap_news_unit{width: 60%; margin: 20px 0; float: left;}
.wrap_news .wrap_news_unit:nth-child(2n){width: 60%; margin: 20px 0; float: right;}
.main_text h1 {
    font-size: 2.9em;
    color: #3f8992;
}
.main_text p {
    margin-bottom: 2px;
    font-size: 1.3em;
    line-height: 1.3;
    color: #3f8992;
}
.wrap_news .wrap_news_unit:nth-child(2n) .back_unit_text{border-bottom: 1px solid black; border-right: 1px solid black; border-bottom-right-radius: 40px; border-left: 0px solid black; border-bottom-left-radius: 0%;}