#equation	{
	position:absolute;
	right:20px;
	top:10px;
	filter:gray;
	visibility:hidden;
}
#equationControl{
	cursor:pointer;
	color:#ff0000;
}
td	{
	width:250px;
	padding:2px;
}
table{
	border-collapse:collapse;
}
.top td	{
	border-top:2px solid #000000;
}
.bottom td	{
	border-bottom:2px solid #000000;
}

.answer	{
	font-size:20pt;
}

#overflowCatcher	{
	height:600px;
	overflow:auto;
}