div.controls
{
	position: absolute;
}

svg
{
	margin-top: 20px;
}

.diagramoptions
{
	text-align: center;
	padding-top: 4px;
}

.diagramoptions .btn
{
	padding: 2px;
	margin-top: 4px;
	width: 85%;
	margin-bottom: 4px;
}