body
{
	font-family: sans-serif;
	font-size: 100%;
	margin: 20px;
	color: #eee;
	background-color: #222;
}

h1
{
	font-size: 1.5em;
	font-weight: normal;
	margin: 0 0 0.5em 0;
}

div.card
{
	font-size: 2em;
	width: 176px;
	height: 246px;
	margin: 0 auto;
	cursor: pointer;
}

div.card div
{
	position: absolute;
	width: 160px;
	height: 230px;
	font-size: 2em;
	text-align: center;
	line-height: 230px;
	color: #c00;
	background-color: #fff;
	border: 8px solid #fff;
	border-radius: 5px;
	box-shadow: 2px 2px 5px rgba(0,0,0,0.5);
	-webkit-transition: all 1s ease;
	transition: all 1s ease;
}

div.card div span
{
	position: absolute;
	left: 0;
	top: 0;
	font-size: 0.5em;
	width: auto;
	line-height: 1em;
}

div.card div span:last-child
{
	left: auto;
	top: auto;
	right: 0;
	bottom: 0;
	transform: rotate(180deg);
}

div.card div.back
{
	font-size: 0.8em;
	background: 
		linear-gradient(115deg, transparent 75%, rgba(255,255,255,.8) 75%) 0 0,
		linear-gradient(245deg, transparent 75%, rgba(255,255,255,.8) 75%) 0 0,
		linear-gradient(115deg, transparent 75%, rgba(255,255,255,.8) 75%) 7px -15px,
		linear-gradient(245deg, transparent 75%, rgba(255,255,255,.8) 75%) 7px -15px,
		#36c;
	background-size: 15px 30px;
}