ul.availableBbNumbers { padding: 0; margin: 1em 0 0 0; }

ul.availableBbNumbers li
{
	display: block;
	width: 8%;
	float: left;
	text-align: center;
	margin: 2px;
	padding: 2px;
	background-image: none;
}

ul.availableBbNumbers li.evenCell { background-color: #ccc; }
ul.availableBbNumbers li.oddCell { background-color: #ddd; }