body {
        background-image: url("bg.gif");
        background-color: #0c0d0f;
	color: white;
	font-family: helvetica, arial, sans-serif;
	font-size: .8em;
}

.cent {
	position: absolute;
	top: 50%;
	left: 50%;
}

.off {
	width: 256px;
	height: 256px;
	position: relative;
	top: -128px;
	left: -128px;
}