table.w40 {
	width: 40%;
	background: #fff;
	float: left;
	color: #000
}

table.w60 {
	width: 60%;
	background: #fff;
	float: left;
	color: #000
}

table thead {
	font-weight: bold;
}

table tr td {
	padding: 5px 10px;
	border: 1px solid #ccc
}

table tbody tr:nth-child(2n) {
	background: #f5f5f5
}

table tbody tr td.xanh {
	background: black;
	color: #fff;
}