div.leaderboard {

		margin-top: 30px;
		margin-bottom: 0px;
		margin-left:auto;
		margin-right:auto;

		padding-top:0px;
		padding-bottom:0px;
		padding-right:0px;
		padding-left:0px;

		width:90%;
		min-width: 320px;
		max-width: 728px;

		min-height:100px;

		vertical-align:top;
		background-color:#fff;
	}