section#youtube
{
    padding: 0px !important;
}

#youtube_list
{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: stretch;
    align-content: stretch;
}

.video_item
{
    width: 25%;
}

.video_item a
{
    width: 100%;
    display: block;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    text-decoration: none;
}

.video_item_name
{
    width: 100%;
    display: block;
    vertical-align: middle;
    text-align: center;
    line-height: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background-color: rgba(0,0,0,.8);
    font-size: 30px;
    color: white;
    opacity: 1;
    transition: opacity .4s;
    padding: 10px;
    box-sizing: border-box;
}


.safari-mac .video_item_name
{
    background-color: rgba(0,0,0,.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    -moz-backdrop-filter: blur(10px);
}

.video_item a:hover .video_item_name
{
    opacity: 0;
    transition: opacity 0s;
}




@media(max-width: 1600px)
{
    .video_item
    {
        width: 33.33333333%;
    }
}


@media(max-width: 1200px)
{
    .video_item
    {
        width: 50%;
    }
}


@media(max-width: 800px)
{
    .video_item
    {
        width: 100%;
    }
}