.keyboard {
	margin: 100px auto;
	width: 80%;
}

.keyboard > span {
	display: inline-block;
	width: 50px;
	height: 50px;
	border: 1px solid #000;
	text-align: center;
	line-height: 50px;
}

body {
	background-color: #334;
}

canvas {
	display: block;
	margin: 10px auto;
}

.words {
	color: #7f8483;
	width: 300px;
	height: 200px;
	position: fixed;
	top: 0;
	left: 0;
	overflow: scroll;
	background-color: #0d0d0d;
	font-size: 14px;
	letter-spacing: 3px;
}

.footer {
	margin: 0 auto;
}

#footer {
	text-align: center;
	letter-spacing: 20px;
	color: #ccc;
	font-family: "SimHei";
	font-size: 40px;
}