#navigation a {float:left;height:100px;display:block;background-position:top right;background-color:transparent;background-repeat:no-repeat;text-indent:-9999px;opacity:0;filter:Alpha(Opacity:0);}
#navigation a.current {opacity:1;filter:Alpha(Opacity:100);}
#navigation a.bt_accueil {width:98px;background-image:url(/styles/graphics/navigation/bt_accueil.jpg);}
#navigation a.bt_menus {width:98px;background-image:url(/styles/graphics/navigation/bt_menus.jpg);}
#navigation a.bt_galerie {width:210px;background-image:url(/styles/graphics/navigation/bt_galerie.jpg);}
#navigation a.bt_contact {width:168px;background-image:url(/styles/graphics/navigation/bt_contact.jpg);}