/*back number*/
*{
	margin: 0;
	padding: 0;
}
body{
	text-align: center;
}
#main{
	width: 744px;
	margin: 0 auto;
	text-align: center;
}
#backnumber{
	width: 691px;
	margin: 0 auto;
}
.main_box{
	width: 680px;
	height: 245px;
	margin: 20px 0 10px 10px;
}
.main_box .box{
	float: left;
	margin: 0 15px;
	height: 230px;
	position: relative;
}
.main_box .box .text{
	margin-top: 10px;
	text-align:left;
	font-size: 12px;
	width: 195px;
}
.mouseon_alpha a:hover img{
	opacity: 0.75;
}
.main_box .box .text{
	line-height: 1.5;
}
.main_box .box .text a {
	color: #000;
	text-decoration: underline;
}
.main_box .box .text a:hover {
	text-decoration: none;
}
.main_box .box .day{
	margin-top: 10px;
	text-align:right;
	font-size: 12px;
	position: absolute;
	right: 0;
	bottom: 0;
}