*{
	margin:0;
	padding:0;
}
body{
	padding:60px 180px;
	background-color:#f4f4f4;
	font-family:Arial, Helvetica, sans-serif;
	line-height:1.5;
}
ul{
	font-size:16px;
	font-weight:bold;
	overflow:hidden; /* clear float */
	*zoom:1; /* ie clear float */
}
	ul li{
		padding:8px 60px;
		float:left;
		margin:0 5px 5px 0;
		color:#4d4d4d;
		background:#fff;
		list-style-type:none;
		border-radius:3px;
		box-shadow: 0 1px 2px rgba( 0, 0, 0, 0.2 );
	}
.balloon{
	font-size:14px;
	color:#fff;
	background:#31374c;
	padding:10px 20px;
	position:absolute;
	display:none;
}