.dong_headline_container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0;
}

.dong_headline_item {
    display: inline-block;
    margin: 0.7em 0.5em 0.7em 0.5em;
    line-height: 0;
}

.dong_headline_row {
    margin: 0.8em 0 0.8em 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}