table {
	border: 1px solid black;
	border-collapse: collapse;
}
caption {
	font-family: sans-serif;
	font-weight: bold;
    margin-bottom: .5em;
}
th {
	background-color: darkblue;
}
td, th {
	border: 1px solid black;
    padding: .2em .7em;
    text-align: left;
}
tr.gray {
	background-color: #d3d3d3;
}