/** mise en page du menu **/
.menu{
    padding: 0;
    margin: 0;

}
nav{
    padding-top: 0;
    margin-top: 0;
    width: 100%;
    background-color: #000;
}
nav > div > ul{
    margin: 0;
    padding: 0;
    width: 100%;
}
nav > div > ul::after{
    content: "";
    display: block;
    clear: both;
}
nav > div > ul > li{
    float: left;
    position: relative;
}
nav > div > ul > li > a{
    padding: 20px 30px;
    text-transform: uppercase;
    font-size: 15px;
    color: #FFF;
}
nav li{
    list-style-type:  none;
}
.submenu{
    display: none;
}
nav a{
    display: inline-block;
    text-decoration: none;
}
.home_a {
    padding: 2px;
}
.connexion{
    float: right;
}