.youtubevideowrapperdiv4-3 { position: relative; padding-bottom: 75%; /* 영상비율에 따른 수치 */ padding-top: 25px; height: 0; }
.youtubevideowrapperdiv16-9blind { position: relative; padding-bottom: 83%; /* 영상비율에 따른 수치 */ padding-top: 0%; height: 0; }
.youtubevideowrapperdiv iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.youtubevideo_top_hide {
    position: absolute;
    top: 0px;
    background-color: #fff;
    width: 100%;
    height: 16%;
    max-height: 129px;
    min-height: 53px;
    z-index: 9999;
}
.youtubevideo_bottom_hide {
    position: absolute;
    bottom: 0px;
    background-color: #fff;
    width: 100%;
    height: 16.5%;
    max-height: 129px;
    min-height: 53px;
    z-index: 9999;
}
.youtubevideo_play_btn_area {position: absolute; bottom: 0px; background-color: rgba(0, 0, 0, 0.0); width: 100%; height: 100%; z-index: 2; }
.youtubevideo_play_btn_area a {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 40px;
    height: 40px;
    margin-left: -20px;
    margin-top: -20px;
    transition: all 1s cubic-bezier(0, 0, 0.2, 1) 0s;
    opacity: 1;
    border: 0;
    background-color: #fff;
}

.youtubevideo_play_btn_area a::before {
    content: '';
    background: url(../images/ic/youtube_play.png) no-repeat;
    display: block;
    width: 76px;
    height: 54px;
    position: absolute;
    left: -19px;
    top: -5px;
 }

@media (max-width: 1280px) {
    .youtubevideo_play_btn_area a i { top: -9px; }
}

@media (max-width: 480px) {
    .youtubevideo_play_btn_area a { height: 40px; margin-left: -24px; margin-top: -23px; }
    .youtubevideo_play_btn_area a i { font-size: 7em; }
}