table.timegrid
{
	width: 100%;
	text-align: center;
}

table.timegrid td, table.timegrid tr
{
	border-style: solid;
	border-collapse: collapse;
	border-color: #000;
	border-width: 2px;
	padding: .5em;
}

table.timegrid .busy
{
	background-color: #87D;
}
table.timegrid .free
{
	background-color: #E8FFFF;
}
table.timegrid .na
{
	background-color: #888;
}