main.css

/*
* Algorithm of A * pathfinding
* Date: 2013-11-14
* (copyright) 2012-2013 twobin, https://github.com/twobin
*/
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,button,textarea,p,blockquote,th,td{
	padding:0;
	margin:0;
}
body{
	font-family: "Helvetica Neue", "Hiragino Sans GB", "Segoe UI", "Microsoft Yahei", "微软雅黑", Tahoma, Arial, STHeiti, sans-serif;
	font-size:12px;
	background-color: #e8e8e8;
	color:#333;
}

a{
	outline:none;
	-moz-outline:none;
	text-decoration:none;
}
.clearfix{
	zoom:1;
	_height:1px;
}
.clearfix:after{
	content:".";
	display:block;
	height:0;
	clear:both;
	visibility:hidden;
}
.head{
	height:50px;
	line-height:50px;
	padding-left:200px;
	border-bottom:1px solid #eee;
	box-shadow: 1px 1px 5px #ccc;
    background:#fff;
}
.head h1{
	float:left;
	width:200px;
	height: 51px;
	font-weight:bold;
	font-size:24px;
	background-color: rgb(31, 123, 155);
	text-align: center;
}
.head h1 a{
	color: #fff;
}
#blog{
	font-weight:normal;
	font-size:16px;
	color: #fff;
}
#subtitle{
	display:block;
	float:right;
	font-size:16px;
	color:#999;
	line-height:16px;
	margin:20px 200px 0 0;
}

.wrap{
	width:1100px;
	margin:50px auto;
}
.play_wrap{
	padding-left:220px;
}
#box{
	float:left;
	width:630px;
	height:630px;
	margin:50 auto;
	background-color: #fefefe;
	border-radius: 4px;
	box-shadow: 0px 0px 8px #09F;
	border: 1px solid #e8e8e8;
}
.block { border:1px solid #eaeaea; width:30px; background:#FFF; }
.start, .start.path { background-color:#007de7; }
.end, .end.path { background-color:#333; }
.fence { background-color:#d1d1d1; }
.path { background-color:#57e700; -webkit-transition:.5s all ease; }