#main {margin:0 auto; width:879px; text-align:left;}

#header, #content, #footer {width:770px}

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

.width {width:100%}
.width2 {width:100%}
.box {width:100%}

/*======= index.html =======*/
#page1 .col_1{width:261px;}
#page1 .col_2{width:260px;}
#page1 .col_3{width:249px;}
#page1 .width2 .col_1{width:261px;}
#page1 .width2 .col_2{width:253px;}
#page1 .width2 .col_3{width:256px;}
/*=========================*/