.prepflddiv{
	clear: both;
	width: 630px;
}

.prepfldspan{
	float: left;
	text-align: center;
	position: relative;
	width: 150px;
	height: 30px;
	margin: 0;
	margin-right: 10px;
	margin-bottom: 10px;
	line-height: 1.8em;
	font-family: Arial, Helvetica, sans-serif; 
	font-size: 12px; 
	text-decoration: none
	display:inline;
	overflow:visible;
}

.optional {
 display: block;
 margin-top: 0;
 padding-top: 0;
 border-collapse: collapse;
	
}
.optional .sample {
	
	border-top: 0;
	
}

.optional td {
 width: 640px;
 border-width: 1px;
 border-top: 0;
 padding: 1px;
 border-style: inset;
 border-color: gray;
 border-collapse: collapse;
 background-color: white;
 -moz-border-radius: ;
}

#sibling.sample ul li {
	list-style-type:none;	
}

input {
	background-color:white;
	border: none;
	border-bottom: 1px #444 solid;	
	font-weight:bold;
	height:16px;
}

strong.answer, input {
	color: #000;	
	margin-left:3px;
	font-weight:bold;
	font-size:12px;
}
.chart-button {
	display: none;	
}