.lightbulb-video-embed-container:not(:empty) {
    margin: 30px 0;
    position: relative;
    overflow: hidden;
    width: 100%;
    padding-top: 56.25%;
}

.lightbulb-video-embed-container:empty{
    display: none;
}

.lightbulb-video-embed-container iframe,
.lightbulb-video-embed-container video {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    border: none;
}