#main {margin:0 auto; width:780px;}

#header_menu{height:127px}

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

/*======= index.html =======*/
#page1 #content .col_1{width:390px;}
#page1 #content .col_2{width:308px;}
/*=========================*/