a.nav:link {color: White;text-decoration : none;}
a.nav:visited {color: White;text-decoration : none;}
a.nav:active {color: White;text-decoration : none;}
a.sub_nav:link {color: Black;text-decoration : none;}
a.sub_nav:visited {color: Black;text-decoration : none;}
a.sub_nav:active {color: Black;text-decoration : none;}