html { height: 100%; }
body {
	height: 100%;
	margin: 0;
	padding: 0; 
	font-family: "Courier New", "Courier", monospace;
	font-size: 16px; }
.container {
	position: relative;
	height: 100%; }
.content {
	position: relative;
	top: 50%;
	transform: translateY(-50%);
	text-align: center; }