Código HTML:
<div class="contenedor"> <style type="text/css">.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } </style> <div class="embed-container"><iframe allowfullscreen="" frameborder="0" height="480" src="https://www.youtube.com/embed/1P9C3XWJrAk?rel=0" width="853"></iframe></div> </div> <style type="text/css">.contenedor { margin:auto; width:853px; height:572px; text-align:center; background:url('imagenes/tv.png') } .contenedor iframe { width:828px; height:468px; top:12px; position:relative; } </style>