.youtube_title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 24px;
}
.youtube_title > a {
    font-size: 14px;
}
.youtube_wrapper {
    display: flex;
    flex-wrap: wrap;
}
.youtube_item {
    max-width: 20%;
}
.youtube_item iframe {
    max-width: 100%;
}