.main{width:900px; margin:0 auto; text-align:left;}

/*=========page_1===========*/
#page_1 .col_1{width:449px;}
#page_1 .mid{width:41px;}
#page_1 .col_2{width:257px;}

#page_1 .block .width{width:217px;}
/*========//page_1===========*/