مازندشورا:

.h_iframe-aparat_embed_frame{literal}{{/literal}position:relative;{literal}}{/literal} .h_iframe-aparat_embed_frame .ratio {literal}{{/literal}display:block;width:100%;height:auto;{literal}}{/literal} .h_iframe-aparat_embed_frame iframe {literal}{{/literal}position:absolute;top:0;left:0;width:100%; height:100%;{literal}}{/literal}