(function(d) {     var mainDiv = '<style>.main_div_embed_iframe{position:relative; max-width: 100%;margin: 10px auto;width:400px;height:300px;}  .main_div_embed_iframe iframe {position:absolute;top:0;left:0;width:400px;height:300px;}</style>';     mainDiv += '<div class="main_div_embed_iframe"><span style="display: block;padding-top:75%"></span> </div>';     var videoIframe = document.createElement('iframe');     videoIframe.setAttribute('width','400px');     videoIframe.setAttribute('height','300px');     videoIframe.setAttribute('allowFullScreen','true');     videoIframe.setAttribute('webkitallowfullscreen','true');     videoIframe.setAttribute('mozallowfullscreen','true');     videoIframe.setAttribute('rel','nofollow');     videoIframe.setAttribute('src','https://www.seratnews.com/fa/news/play/404054/456608');     setTimeout(function(){     document.getElementById('video-display-embed-code_456608').innerHTML = mainDiv;     document.getElementById('video-display-embed-code_456608').getElementsByClassName('main_div_embed_iframe')[0].appendChild(videoIframe);     }, 100);     })();