.media-youtube-video {
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 30px; height: 0; overflow: hidden;
    margin-bottom: 20px;
}
.media-youtube-video iframe,
.media-youtube-video object,
.media-youtube-video embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin-bottom: 20px;
}
.media-vimeo-video {
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 30px; height: 0; overflow: hidden;
    margin-bottom: 20px;
}
.media-vimeo-video iframe,
.media-vimeo-video object,
.media-vimeo-video embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin-bottom: 20px;
}