BODY { 
  font-family : Arial, Helvetica, sans-serif; 
  background: #000000;
} 
.principal { 
  color : #ffffff; 
  font-size : 20px; 
  text-align : center; 
} 
#contenedor {
	width: 1000px;
	clear: both;
	position: relative;
	text-align: center;
	z-index: 2;
 }

#escenario{
	width: 970px;
	height: 584px;
	position: relative;
	left: 10px;
	top: 10px;
	z-index:3;
}