#site_center {
	text-align:center;
	background-color: #999999;
}
#main {
	margin:0 auto;
	width:781px;
	text-align:left;
	background-color: #FFFFFF;
}


.col_1, .col_2, .col_3, .col_box_1, .col_box_2{ float:left;}
/*=========================*/

/*======= index-2.html =======*/
#page3 #content .col_1{width:254px;}
#page3 #content .col_2{width:500px;}