.videoWrapper {
        padding: 15px 0;
}

@media (max-width: 767px) {
        .videoWrapper {
                position: relative;
                padding-bottom: 56.25%; /* 16:9 */
                padding-top: 25px;
                height: 0;
        }
        .videoWrapper .mvdo  {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
        }
}