#contents dl {
	float: left;
	width: 620px;
}
#contents dt {
	font-weight: bold;
	float: left;
	width: 620px;
	margin-bottom: 10px;
}
#contents dd {
	float: left;
	width: 600px;
	padding-left: 20px;
	margin-bottom: 6px;
}
.arrow {
	margin-right: 4px;
	margin-bottom: 3px;
}