.iframe-contenido {
	height: 388px;
	width: 840px;
}
.pie {
	height: 20px;
	width: 1000px;
}
.class { position: absolute; top: 40%; left: 50%; width: 1000px; height: 408px; z-index: 0; overflow: auto; float: none; margin-top: -200px; margin-left: -503px; }