.main{width:900px;margin:0 auto;text-align:left}#page_1 .col_1{width:497px}#page_1 .mid{width:19px}#page_1 .col_2{width:216px}#page_2 .col_1{width:447px}#page_2 .mid{width:23px}#page_2 .col_2{width:261px}#page_3 .col_1{width:261px}#page_3 .mid{width:25px}#page_3 .col_2{width:447px}#page_4 .col_1{width:445px}#page_4 .mid{width:21px}#page_4 .col_2{width:261px}#page_5 .col_1{width:261px}#page_5 .mid{width:25px}#page_5 .col_2{width:447px}