.html-component-inner.html-video {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 */
    padding-top: 25px;
    height: 0;
}
  
.html-component-inner.html-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.html-component-inner iframe {
    max-width: 100% !important;
}