.history_box{
	clear:both;
	margin:0;
	padding:0;
	font-size:10px;
	color:#333;
	letter-spacing:0.1em;
	line-height:1.6;
	}
	
.date{
	margin:0;
	padding:0;
	float:left;
	width:70px;
	}

.detail{
	margin:0;
	padding:0 0 25px 0;
	float:right;
	width:300px;
	}