body {
	margin: 0 auto;
	width:600px;
}
h2 {
	/*
	text-align: center;
	margin: 0 auto;
	*/
}
button {
	margin-top:20px;
	height:25px;
	width:80px;
	color:blue;
}

#weiqi {
	border: 0px solid blue;
	position: absolute;
	top:50px;
}
#path {
	position: absolute;
	top:50px;
	/*
	left:0;
	*/
	z-index: 200;
}