#main {margin:0 auto; width:1020px;}

#header{height:345px}

.col_1, .col_2, .col_3{ float:left;}

/*======= index.html =======*/
#page1 #content .col_1 {width:302px;}
#page1 #content .col_2 { width:498px;}

/*======= index-1.html =======*/
#page2 #content .col_1 {width:210px;}
#page2 #content .col_2 { width:550px;}
#page2 #content .col_3 { width:250px;}


/*======= index-2.html =======*/
#page3 #content .col_1 {width:763px;}
/*=========================*/


#footer{height:352px; width:1020px}