.video-container {
position: relative;
padding-bottom: 56.25%; /* 16:9 */
padding-top: 25px;
height: 0;
}
.video-container iframe, .video-container object, .video-container embed {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}

@media only screen and (max-width: 600px){
    .so-panel.widget {
        padding-top: 40px;
        padding-bottom: 40px;
        padding: 10px !important;
    }
}