a.popup-youtube:before {
    content: "";
    position: absolute;
    width: calc(100% - 10px);
    height: calc(100% - 10px);
    background: rgba(0, 0, 0, 0.2);
    left: 5px;
    top: 5px;
}
a.popup-youtube {
    display: block;
    padding: 5px;
    box-shadow: 0 0 3px #aaa;
    -ms-box-shadow: 0 0 3px #aaa;
    -moz-box-shadow: 0 0 3px #aaa;
    -webkit-box-shadow: 0 0 3px #aaa;
    border-radius: 3px;
    position: relative;
}
.popup-youtube i {
    position: absolute;
    left: 50%;
    top: 50%;
    font-size: 20pt;
    color: #fff;
    transform: translateX(-50%) translateY(-50%);
    -ms-transform: translateX(-50%) translateY(-50%);
    -moz-transform: translateX(-50%) translateY(-50%);
    -webkit-transform: translateX(-50%) translateY(-50%);
}
.youtubevideo{margin-bottom:20px}
.v-title {
    padding-top: 5px;
    display: block;
    text-align: center;
}