#heading {
	display: block;
	text-align: center;
	font-size:12px;
    width: 400px;
    
}
#heading li{
    background:url('images/slide.gif') no-repeat left;
	display: block;
	padding-left: 20px;
	padding-top: 6px;
	padding-bottom: 6px;
	user-select: none;
	cursor: pointer;
	list-style-type: none;
	text-align:left;
}
#heading li.active {
	color:#618499;
	font-weight:bold;
	border-bottom:#618499 1px dotted;
}

#panes 
{
	border-style: none;
	width: 400px;
	margin: 0 1em 0 1em;
	padding-left:5px;
}
.solution
{
 padding:10px;
 width: 400px;
 text-align:justify;
}
.solution h3
{
 color:#618499;
 padding:5px;
}