dl, dt, dd, ul, li {
margin: 0;
padding: 0;
list-style-type: none;
}
#menu {
position: absolute;
z-index:100;
width: 98.8%; /* correction pour Opera */
}
#menu dl {
float: left;
width: 160px;
}
#menu dt {
cursor: pointer;
text-align: center;
font-size: 23px;
}
#menu dd {
display: none;
border: 1px solid gray;
margin-top: 0px;
}
#menu li {
text-align: center;
background: white;
filter:alpha(opacity=98);
-moz-opacity:.98;
opacity:.98;
/*opaciter du menu */

}
#menu li a {
color: #b9a3d7;
text-decoration: bold;
display: block;
height: 100%;
border: 0 none;
}
#menu li a:hover, #menu li a:focus {
background: #58c6f0;
}
#dt1 dt {
background-image: url(../menu/accueil.jpg);
}
#dt1 dt:hover, #menu dt:focus {
background-image: url(../menu/accueil2.jpg);
} 
#dt2 dt {
background-image: url(../menu/nosoffres.jpg);
}
#dt2 dt:hover, #menu dt:focus {
background-image: url(../menu/nosoffres2.jpg);
} 
#dt3 dt {
background-image: url(../menu/services.jpg);
}
#dt3 dt:hover, #menu dt:focus {
background-image: url(../menu/services2.jpg);
} 
#dt4 dt {
background-image: url(../menu/formation.jpg);
}
#dt4 dt:hover, #menu dt:focus {
background-image: url(../menu/formation2.jpg);
} 
#dt5 dt {
background-image: url(../menu/contact.jpg);
}
#dt5 dt:hover, #menu dt:focus {
background-image: url(../menu/contact2.jpg);
}