.article.widget-default-embed iframe {
    max-width: 100%;
    width: 100%;
    min-width: 100%;
}

.video-height-500 .video-container {
    height: 500px;
    padding: 0;
}
.video-height-500 .video-container video {
    object-fit: cover;
    height: 100%;
    width: 100%;
}

/* A */
@media (max-width: 1194px) {
}

/* B */
@media (max-width: 991px) {
}

/* C */
@media (max-width: 767px) {
    .article.widget-default-embed {
        width: 100%;
        min-width: 100%;
        max-width: 100%;
    }

    .video-height-500 .video-container {
        height: 300px;
    }
}

/* D */
@media (max-width: 479px) {
    .article.widget-default-embed {
        width: 100%;
        min-width: 100%;
        max-width: 100%;
    }
}