#login {
    margin: 0 auto;
    vertical-align: middle;
    text-align: center;
    width: 100%;
    height: 100%;
    /*background: #E1E1E1 url(img/fondo_login.jpg) top left repeat-x;*/
    /*background: #E1E1E1 url(img/Img-Login-Groupama.jpg) top left repeat-x;*/
    font-family: verdana,geneva,arial,helvetica,sans-serif;
}


#login .login_box {
    position: relative;
    width: 640px;
    /*height: 420px;*/
    margin: 0 auto;
    text-align: center;
    /*background: transparent url(img/fondo_box_login.png) top left no-repeat;*/
}