ul.bo{
	list-style:none;
}

ul.bo li{
	display:block;
	width:220px;
	border:solid 1px orange;
	float:left;
	padding:5px;
	margin:5px;
	text-align:center;
}

ul.bo:after {
 content: "";
 display: block;
 clear: both;
 height: 1px;
 overflow: hidden;
}