#heading {
			display: block;
			text-align: center;
			margin-bottom: 1em;
		}
		#heading * {
			display: inline;
			padding: 4px;
			user-select: none;
			cursor: pointer;
			vertical-align: middle;
		}
		#heading li.active {
			background-color: #7FD7F7;
			border-radius: 3px;
			-webkit-border-radius: 3px;
			-opera-border-radius: 3px;
			-moz-border-radius: 3px;
		}
		
		#panes div div { overflow: hidden; }
		
		#previous { float: none; cursor: pointer; }
		#next { float: none; cursor: pointer; }