.video-embed-field-responsive-video {
    position: relative;
}

.video-embed-field-responsive-video:after {
    content: '';
    display: block;
    padding-bottom: 56.25%;
}

.video-embed-field-responsive-video iframe {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
}

.video-embed-field-responsive-modal {
    max-width: 100%;
}