#frmConnecter,#frmCompte{
    position:relative;
}
#jauge{
    position: absolute;
    margin: 0 auto;
    width:55px;
    height: 55px;
    left: 0;
    right: 0;
    top:55%;
    bottom:0;
    z-index:1000000
}
.afficher_jauge{
    display: none;
}