#topnav{ height: 54px; width:980px; margin: 0px; padding:0px; }
#topnav ul { margin: 0px 0px 0px 8px; padding: 0; width: auto; float: left; list-style-type:none;}
#topnav ul li{ margin: 0; padding: 0; height: 32px; float: left; position: relative;}
#topnav ul li a{ color:black; text-decoration: none; padding: 9px 15px 2px 15px; height:24px; display: block; float: left; font-family:arial; font-size:13px; font-weight:bold;
}
#topnav ul li #first_a{border:none;}
#topnav ul li a:hover{ text-decoration: none; font-weight:normal; color:black; font-size:13px; font-weight:bold;}
#topnav ul li ul ul { margin: -50px 0 0 297px; z-index: 100; }
#topnav ul li li { width:auto;}
#topnav ul li li a { color:black; text-transform: none; display: block; background:#; width: 175px; border-top: 1px solid black; border-left: 0px; padding: 5px 10px 3px 10px; height:20px; font-size:13px; cursor:pointer; }
#topnav ul li li a:hover{ background: none; background-color:; left: 0; width: 175px; padding: 5px 10px 3px 10px; height:20px; border-top: 1px solid black; cursor:pointer; text-decoration:underline; font-size:13px; }
#topnav ul li ul { left: -999em; top:35px; left: 0px; display: block; height: 32px; width: 175px; position: absolute; z-index: 99; left: -999em; clear: left; margin-top: 0px; margin-left: 15px; }
#topnav ul li:hover ul ul, #topnav ul li:hover ul ul ul { left: -999em; }
#topnav ul li:hover ul, #topnav ul li li:hover ul, #topnav ul li li li:hover ul { left: auto; }
#topnav ul li ul.menuhor {width:195px; height:auto; background-color:#;}

#menu_current, .menu_current{
  background-color:gray;
}

#menu {

  position:relative;
  width:980px;
  height:35px;
  left:50%;
  margin-left:-492px;
  z-index:20;
  background-color:#;
}
#contenu_menu {
  position:absolute;
  width:996px;
  height:35px;
  left:50%;
  margin-left:-498px;
  z-index:20;

}
img {
  border:none;
}

.blocs_colonne h2, #colonne h2 {
  margin:0px;
  padding:7px 0px 0px 7px;
  width:233px;
  height:25px;
  /* a modifier selon couleur menu */
  background-color:#;
  color:black;
}