#navunivers
{
position:absolute;
bottom:110px;
	z-index:10;
	background:#000000;
    width:100%;
    height:50px;
    /*  overflow:hidden;
  border:1px solid black;*/
}


 #lescategories3
{
    /*cas 3 categories */
    width:4500px;
    height:50px;
 }

.categorie
{
    float:left;
border-right:2px solid #000;
    height:40px;
    overflow:hidden;
  }