.invisible { display: none; }
.url { font-style: italic; }

body {
	margin: 0 auto 4em auto;
	max-width: 56em;
}

div.heading {
	width: 100%;
	padding: 0.1em 0;
	text-align: center;
	vertical-align: middle;
	font-size: 4em;
	font-weight: bold;
	font-family: sans-serif;
	font-style: oblique;
	text-transform: uppercase;
	color: white;
	background-color: rgb(7,127,195);
}

table {
	x-border: solid black 1px;
	border-spacing: 0;
	border-collapse: collapse;
}

td, th {
	border: solid black 1px;
	padding: 0.5em 1.0em;
}