.luks-red {
	background-color:red;
}
.luks-green {
	background-color:lightgreen;
}
.luks-amber {
	background-color:yellow;
}
.luks-red_amber {
	background: linear-gradient(to bottom, red 50%, yellow 50%);
}
.luks-pedestrians_flash {
	background: linear-gradient(to right, white 50%, lightgreen 50%);
}
table {
	width: 900px;
	border-collapse: collapse;
}
th, td {
	border: 1px solid black;
	padding: 5px;
	text-align: center;
}