#main {margin:0 auto; width:766px;}



.col_1, .col_2, .col_3, .col_box_1, .col_box_2, .col_box_3{ float:left;}

/*======= index.html =======*/
#page1 #content .col_1{width:237px;}
#page1 #content .col_2{width:414px;}
/*=========================*/