table
{
	width:　600px;
}

td
{
	background-color: #404040;
}

td.table_title
{
	background-color: #808080;
	color:red;
	text-align:center;
	font-weight:bold;
	font-size:20px;
}

td.index_title
{
	background-color:gray;
	color:yellow;
	font-weight:bold;
	font-size:18px;
}