#svgDiv {
  position: absolute;
  top: 0px;
  bottom: 0px;
  left: 0px;
  right: 0px;
  margin: auto;
  background-color: #000;
  overflow: hidden;
}

body {
  background-color: #ccc;
}

#reloadButton {
	display: block;
	position: absolute;
	left: 10px;
	bottom: 10px;
	width: 30px;
	height: 30px;
	background-color: #fff;
	color: #000;
	padding: 0;
	border: none;
	border-radius: 15px;
	font-family: Arial, sans-serif;
	font-size: 9px;
	line-height: 30px;
	text-align: center;
}