/* CSS Document */

body {
	font:0.9em/1.3 'Roboto', Times, serif;
}

.square {
	background:rgba(120, 120, 120, 0.1);
}
.inner {
	padding:5px;
	border:2px solid #000;
}
	.inner h2 {
		font-weight:bold;
	}

@media screen and (max-width: 640px) {
	.square {
		font-size: 3.5vw;
	}
}