H1 { text-align: center; }

/* The name of an application. */
EM.app {
	font-family: sans-serif;
	font-style: normal;
	font-weight: bold;
}

/* A date. */
EM.date {
	color: gray;
	font-size: smaller;
	font-style: italic;
}

/* An approximation to a GUI button. */
EM.gui {
	background: #ccc; /* grey75 */
	font-family: sans-serif;
	font-style: normal;
}

/* The name of an OS. */
EM.os {
	font-family: serif;
	font-style: normal;
	font-weight: bold;
	font-size: smaller;
}

/* The name of a person. */
EM.per {
	font-family: serif;
	font-style: normal;
	font-weight: bold;
}