.specification_bt{
	padding: 0 20px;
	width: 925px;
	height: 30px;
	text-align: right;
	clear: both;
}

.spec{
 border-collapse : separate ;
 border-spacing : 1px;
}
th{
	background: #999;
	color: #fff;
	text-align: left;
}
.bg01{
	background: #cecece;
	font-weight: bold;
}
.bg02{
	background: #fff;
}