.main {width:95%; margin:auto;}
#content{text-align:left;}
/*page_1*/
#page1 #content .col1{float:left; width:422px;}
#page1 #content .col2{float:left; width:344px;}

/*page_2*/
#page2 #content .col1{float:left; width:207px;}
#page2 #content .col2{float:left; width:15px;}
#page2 #content .col3{float:left; width:544px;}

/*page_3*/
#page3 #content .col1{float:left; width:100%;}