span{
	display: block;
	padding: 15px 10px;
	font-size: 14px;
	font-weight: 700;
	line-height: 1.1;
	text-align: center;
	border-radius: 4px;
	color: #999;
	border: 1px solid #ddd;
}

.visible-xs-block, .visible-sm-block, .visible-md-block, .visible-lg-block{
	color: #468847;
	background-color: #dff0d8;
	border: 1px solid #d6e9c6;
}