#main .layout.narrow_rich_content .narrow-wrap .iframe{
    /*height: 600px;*/
    height: auto;
    margin: 50px 0;
    position: relative;
}

#main .layout.narrow_rich_content .narrow-wrap .iframe iframe{
    display: block;
    position: relative;
    width: 100%;
    height: unset;
    aspect-ratio: 16 / 9;    
}