/*
.block {
	width: 10px; height: 10px;
	background: #555555;
	display: block;
	}

a:hover .block {
	width: 150%; height: 150%;
	}

*/

body {
	margin: 0;
	padding: 0;
	}

body * {
	float: left;
	display: block;

	clear: none;
	width: auto;
	font: 12px/1.3em Helvetica, Arial, sans-serif;
	}

ul {
	background: #f6f6f6;
	border: 1px solid #f0f0f0;
	}
/*
li {
	background: #ccc;
	}

span {
	background: #999;
	}
*/
b {
	height: 18px;
	background: #ddd;
	padding: 6px 10px 0;
	border: 1px solid #ccc;
	border-top: none;
	border-bottom: 1px solid #ccc;
	}

b:hover {
	cursor: pointer;
	background: #f0f0f0;
	margin: 0;
	color: #333;
	}

ul {
	height: 28px;
	padding: 0 10px;
	}

li {
	
	}

span {
	padding: 0 4px 8px;
	float: left;
	}

span:hover b {
	background: #ccc;
	height: 20px;
	padding: 8px 10px 0;
	}
span span:hover b {
	background: #bbb;
	padding: 10px 10px 0;
	}
span span span:hover b {
	background: #aaa;
	padding: 12px 10px 0;
	}
span span span span:hover b {
	background: #999;
	padding: 14px 10px 0;
	}
span span span span span:hover b {
	background: #888888;
	color: #fff;
	padding: 16px 10px 0;
	}

b:hover b {
	height: 20px;
	padding: 24px 10px 0;
	}

/* Explain

span:hover {
	border: 1px solid #ccc;
	border-top: none;
	} */