body {
	margin: 0%;
	background-color: #3c81ab;
}

hr {
	clear: both;
	margin-top: 1em;
	margin-bottom: 1em;
}

.gameboard {
	text-align: center;
	height: 70vh;
	max-width: 100vh;
	margin: auto;
}

.solved {
	background-color: #71a435;
	height: 30vh;
	text-align: center;

}

div.card {
	display: inline-block;	
	border: 0.3vw outset #5b9cc0;
	width:20vh;
    height:20vh; /* same as width */
	margin: 2vh;
	padding: 3vh;
	background-color: #a0c3d7;
	border-radius: 1vh;
	text-align: center;
	vertical-align: middle;
	
}

.card img {
	width: 100%;
	max-height: 100%;
	position: relative;
	top: 50%;
	transform: translateY(-50%);
}

p.big {
	font-size: 16vh;
	margin-bottom: 4vw;
}

button {
	font-size: 10vh;
	padding: 4vh;
}