ul.menu {
    list-style: none;
    padding: 0px;
    margin: 0px;
    float: right; /* ✔ remet tout le menu à droite */
}

 ul.menu li {
    float: left;
    margin: 0px;
    padding: 0px 15px 0px 0px;
    position: relative;
}

 ul.menu li a {
    padding: 10px 5px;
    display: block;
    text-decoration: none;
    float: left;
}

 ul.menu li span {
    width: 17px;
    height: 35px;
    float: left;
}

 ul.menu li ul.submenu {
    list-style: none;
    position: absolute;
    left: 0px;
    top: 35px;
    margin: 0px;
    padding: 0px;
    display: none;
    float: left;
    z-index: 100;
}

 ul.menu li ul.submenu li {
    margin: 0px;
    padding: 0px;
    clear: both;
    width: 170px;
}

 ul.menu li ul.submenu li a {
    float: left;
    width: 145px;
}