.centered {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

body  {
	margin: 0;
	padding: 0;
	text-align: center;
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 100%;
	background-color: #000000;
}