body {
    color: #5738AB;    
    font: 400 1em "Open Sans",sans-serif;
    font-size: 15px;
}

footer:after {
    content: "Tablet layout";
}

#marco {    
    border: 3px solid black;
    width: 40.7%;    
}

#crono { 
		margin-left: 10.2%;
		margin-top: -28.6%;
		position: absolute;
		width: 6%;
		height: 8%;
		color: #000;
		font-size: 2em;
}

#cronometro [type=button]  { font: 9pt arial;
width: 8%;
position: absolute;
margin-top: -14%; }

#imgCrono  { width: 35%;  height: 35%; }

#cambiarButton  { margin-left: 8%; }

#inicializarButton  { margin-left: 16%; }