div.main_tabs {
    margin-top: 50px;
    padding-bottom: 40px;
    background-color: #fff;
    width: 1024px;
    margin: 0 auto;
}

label.main_tabs_item {
    width: calc(100%/3);
    height: 50px;
    border-bottom: 3px solid #5ab4bd;
    background-color: #d9d9d9;
    line-height: 50px;
    font-size: 16px;
    text-align: center;
    color: #565656;
    display: block;
    float: left;
    text-align: center;
    font-weight: bold;
}

label.main_tabs_item:hover {
    opacity: 0.75;
}

input[name="main_tabs_item"] {
    display: none;
}

div.main_tabs_content {
    display: none;
    /*
    padding: 30px 0;
    clear: both;
    overflow: hidden;
    */
}

#main_tabs_news:checked ~ #main_tabs_news_content,
#main_tabs_topics:checked ~ #main_tabs_topics_content,
#main_tabs_awards:checked ~ #main_tabs_awards_content {
    display: block;
}

div.main_tabs input:checked + label.main_tabs_item {
    background-color: #5ab4bd;
    color: #fff;
}
