body {
	line-height: 1;
	font-family: Verdana, Arial, Helvetica, sans-serif;
	margin: 0;
	padding: 0;
	font-size: 1em;
}

table {
	padding: 0;
	margin: 0;
	background-color: silver;
	border-spacing: 0;
}

td {
	width: 20%;
	text-align: center;
	vertical-align: middle;
}

.lttr_act {
	background-color: grey;
	color: black;
}

.lttr_slp {
	background-color: silver;
	color: grey;
}

.stred {
	background-color: maroon;
	color: white;
	border-radius: 100;
}

.lehci_ina {
	background-color: olivedrab;
	color: white;
}

.lehci_act {
	background-color: lime;
	color: white;
}

.ov_reset  {
	background-color: chocolate;
	color: white;
}