body { margin:auto;min-width:300px;padding:0px; word-wrap:break-word; font-family:nunito,verdana; 
	font-size: clamp(1.875rem, -0.3571rem + 4.4643vw, 2.5rem); /* https://clamp.font-size.app */
	background-color:navy; color:gold;
}
h2,p,.blanco {color:white;} 
h1,b,.oro{color:gold;}
h1,h2 { text-align:center;  margin-top:0; }
p{text-align:left;}
a{color:yellow;}
.titulo{ margin:0; border-bottom:1px solid gold; font-weight:900; 
	display:flex; justify-content: center; align-items: center;
}
.box { /* width:800px; height:600px;   /*1024x768 */
	border:0px solid gray; display:none; 
	padding: 0 20px 0  20px;
}
.c1 { color:gold; text-align:center; font-size:1.3em;	padding: 0 40px 0  40px;}
.c2 { color:yellow; text-align:right;}
.c3 { color:white;  font-size:1em;}
.center, .centro {	text-align: center; }
.derecha {	text-align: right; }
.margencero {margin-top:0; margin-bottom:0;}
button:focus {   outline: 3px solid gold; }