style.css

body{
	font-family: Verdana;
	font-size: 13px;
	text-align: center;
	background-color: #fafafa;
	color: #111;
}

a{
	text-decoration: none;
	color: #999;
	font-size: 15px;
}

.card{
	display: inline-block;
	height: 150px;
	width: 150px;
	border: 1px solid black;
	padding: 3px;
	margin: 3px;
	vertical-align: top;
	cursor: pointer;
	word-wrap: break-word;
	background-color: #fcfcfc
}
.card.black{
	background-color: #111;
	color: #fcfcfc;
	cursor: auto;
	display: block;
	margin: auto;
	margin-bottom: 3px;
}
.card.white:hover{
	background-color: #eee;
}

.lost{
	-webkit-animation: drop 1s;
	-webkit-animation-fill-mode:forwards;
}

#hideall{
	display: block;
	width: 100%;
	height: 100%;
	background-color: rgba(10,10,10,.7);
	position: absolute;
	top: 0;
	z-index: 990;
}

#popup{
	width: 500px;
	height: 250px;
	border: 1px solid #111;
	background-color: #fafafa;
	position: fixed;
	display: block;
	left: 50%;
	margin-top: 125px;
	margin-left: -250px;
	z-index: 999;
	padding: 5px;
	border-radius: 20px;
}
#popup h1{
	margin-top: 100px;
}

@-webkit-keyframes drop{
	0%{
	}
	100%{
		opacity: 0;
		visibility: hidden;
	}
}