/*.contenedor {
    position: absolute;
    left: 50%;
    top: 50%;
    height: 500px;
    margin-top: -300px;     564px/2
    width: 800px;
    margin-left: -500px;     1000px/2
}	
.contenedor[class] {
	position: fixed; 
	display: table;}

.centrado {
	position: absolute; 
	top: 50%;
  left:10%;
  }

.centrado[class] {
  display: table-cell; 
	vertical-align: middle;
	text-align: center; 
	position: static;
	}


.contenido {
  height: 564px; 
	width: 1000px;
	border: 0px;
	margin: 0 auto;
	position: relative;
	top: -50%;
	}
*/