table {
	border-collapse: collapse;
	background-color: #f9f9f9;
}

caption {
	margin: auto;
	text-align: center;
	font: bold 100% sans-serif;
}

tr {
	margin: 0;
	padding: 0;
}

thead tr {
	text-align: left;
	background-color: silver;
}

thead tr, th {
	vertical-align: bottom;
}

th:nth-child(2) {
	width: 24em;
}

th, td {
	margin: 0;
	padding: 0.2em 0.5em;
}

tbody tr:nth-of-type(even) {
	background-color: #ffffcc;
}

tbody tr, tbody td {
	vertical-align: top;
}

thead th:nth-child(3), tbody tr td:nth-child(3) {
	text-align: center;
}

.strike {
	text-decoration: line-through;
	color: red;
}