@media (max-width: 480px) {
    iframe[src *= “facebook”]{
        max-width:360px;
        height: 197px;
    }
}



.fb-comments, .fb-comments iframe[style] {
width: 100% !important;
 }

 .fb_iframe_widget, .fb_iframe_widget span, .fb_iframe_widget span iframe[style] {

        width: 100% !important;}