body{
	background-position:top center;
	background-color: #000000;
	margin-left: 0;
	margin-right: 0; 
	margin-top: 15px;
	margin-bottom: 0;
	width: 100%;
	height: 100%;
       	}

.contenedor_flash {
	
	margin:auto;
	width: 1024px;
	height:540px;
	}
.contenedor_mp3 {
	
	margin:auto;
	width: 780px;
	height:28px;
	}