#conteneur ul li
{
list-style-type: none;
background:transparent url(common/fleche_bleu.gif) no-repeat scroll 0pt 0px;
clear:left;
color:#4C7094;
display:block;
font-weight:bold;
margin : 0px;
padding: 0px;
line-heigth: 5px;
text-decoration:none;
}
.dis
{
display:none;
padding-top : 5px;
}