table.tt
{
	border: solid 1px;
	border-collapse:  separate;
	font-family: arial, verdana, sans-serif;  /* note that arial makes more compressed */
	font-size: small;
}
table.tt td {
	padding: 2px;
	vertical-align: middle;
}

td.key {
	border: outset 2px !important;
	text-align: center;
	width: 30px;
	height: 30px;
	background-color: #F0F0F0;
}
td.key .letters {
	font-size: x-small;
}

.asterisk {
	font-size: 1.6em;
}

.mnemonic {
	font-weight: bold;
	color: #CD0000; /* red3 */
}