#main {margin:0 auto; width:927px; text-align:left;}

#header, #content, #footer {width:927px}

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

.width {width:100%}

#content .col_1 {width:308px}
#content .col_2 {width:310px}
#content .col_3 {width:309px}