#decalage_menu_header { /* bidouille pour descendre le menu horizontal */
height: 90px;
}
ul#menu_header {
margin: 0 0 0 23px;
padding: 0;
font: bold 10px Arial, Helvetica, sans-serif;
list-style-type: none;
line-height: 28px;
}
#menu_header li {
float: left;
}
#menu_header a {
display: block;
border: 0;
color: white;
text-decoration: none;
text-align: center;
height: 28px;
margin: 0;
}

li#accueil {
width: 135px;
}
li#accueil a {
background-image: url(../commun/nav_head/acc.jpg);
}
li#accueil a:hover {
background-position: 0 -28px;
}
li#qsn {
width: 116px;
}
li#qsn a {
background-image: url(../commun/nav_head/qsn.jpg);
}
li#qsn a:hover {
background-position: 0 -28px;
}
li#pact {
width: 154px;
}
li#pact a {
background-image:  url(../commun/nav_head/pact.jpg);
}
li#pact a:hover {
background-position: 0 -28px;
}
li#particuliers {
width: 85px;
}
li#particuliers a {
background-image:  url(../commun/nav_head/part.jpg);
}
li#particuliers a:hover {
background-position: 0 -28px;
}
li#collectivites {
width: 89px;
}
li#collectivites a {
background-image:  url(../commun/nav_head/coll.jpg);
}
li#collectivites a:hover {
background-position: 0 -28px;
}
li#actualites {
width: 73px;
}
li#actualites a {
background-image:  url(../commun/nav_head/actu.jpg);
}
li#actualites a:hover {
background-position: 0 -28px;
}
li#adherents {
width: 112px;
}
li#adherents a {
background-image:  url(../commun/nav_head/adhe.jpg);
}
li#adherents a:hover {
background-position: 0 -28px;
}