.index_contact {
    margin-top: 5%;
}

.video_main {
    flex-wrap: wrap;
}

.video_div {
    width: calc((100% - 30px) / 3);
    margin-right: 15px;
    background: #FAFAFA;
    border-radius: 12px 12px 12px 12px;
    border: 1px solid #D9D9D9;
    padding: 25px;
    margin-bottom: 15px;
}

.video_main .video_div:nth-child(3n) {
    margin-right: 0;
}

.video_div .imgBox {
    border-radius: 12px 12px 12px 12px;
    padding-bottom: 90%;
}

.video_div .imgBox lite-youtube>.lty-playbtn {
    width: 70px;
    height: 70px;
    background-image: url('img/play2.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
    filter: none;
}

.video_title {
    font-weight: bold;
    font-family: Delecta-Bold, Delecta-Bold;
    font-size: 20px;
    color: #333333;
    margin-top: 15px;
    line-height: 1.5em;
    height: 3em;
    overflow: hidden;
    display: block;
    text-align: center;
}

@media only screen and (max-width: 950px) {
    .video_div {
        width: 100%;
        margin-right: 0;
    }
}