#form_connexion, #form_enregistrement{
    width: 300px;
    position: absolute;
    top: 10%;
    right: 40%;
    left:40%;
    text-align: center;
}

#form_enregistrement{
    top:1%;
}

.aide-log{
    padding: 5px;
    text-align: center;
    margin-top: 2px;
}