.clear {
	visibility: hidden;
	clear: both;
}

body {
	background: black;
	overflow: hidden;
	color: blue;
	font-weight: bold;
	font-size: 120%;
	text-align: center;
}

*  {
	font-family: Tahoma;
}

document {
	overflow: hidden;
}

#about {
	width: 500px;
	text-align: left;
	margin: auto;
}

#about table {
	text-align: center;
}

.key {
	border: 2px solid blue;
	width: 60px;
	height: 60px;

	display: table-cell;
	text-align: center;
	vertical-align: middle;
	margin-right: 20px;
}

#playerb, #playera {
	float: left;
	width: 250px;
}

#game {
	width: 800px;
	height: 800px;
	display: none;
}

.start {
	float: right;
	background: blue;
	color: black;
	padding: 10px;
	cursor: pointer;
}

#score {
	display: none;
}

#score .a {
	float: left;
}

#score .b {
	float: right;
}

#end {
	width: 500px;
	margin: auto;
	display: none;
}

#footer {
	width: 500px;
	margin: auto;
	border-top: 1px solid blue;
	margin-top: 40px;
}

#footer * {
	color: blue;
	font-size: 80%;
	text-decoration: none;
}