.ub-page-preview{position:absolute;top:0;right:0;bottom:0;left:0;background:#ccc}.ub-page-preview .iframe{position:absolute;top:0;right:0;bottom:0;left:0}.ub-page-preview .iframe iframe{width:100%;height:100%}.ub-page-preview .iframe.mobile{width:340px;max-height:660px;left:50%;top:10px;height:96%;margin-left:-170px;border:10px solid #aaa;border-radius:10px}