@charset "UTF-8";
/* CSS Document */

#main_b{
	width:900px;
	height:770px;
	background-image:url(../images/back/main_b.gif);
	background-repeat:repeat-y;
	}
	
h3{
	clear:both;
	padding-top:3px;
	}
	
hr{
	margin-bottom:10px;
	border-width:2px;
	}
	

.alt{
	float:right;
}

.tener{
	float:left;
	}
	
.bas{
	float:right;
	}

#navi1{
	width:160px;
	margin-left:40px;
	}
	
#navi2{
	width:200px;
    }

#navi3{
	width:160px;
	margin-left:40px;
	}