<?php
    ob_start ("ob_gzhandler");
    header("Content-type: text/css; charset: UTF-8");
    header("Cache-Control: must-revalidate");
    $offset = 60 * 60 ;
    $ExpStr = "Expires: " . 
    gmdate("D, d M Y H:i:s", time() + $offset) . " GMT";
    header($ExpStr);

    include("css_global.css");
?>
